Indeed, DK's style guide is of immense value. I would only note as an addendum that there may be occasion on which you might step outside his guidelines, but they are very rare. In my own case, I know I have not quite followed his guidelines with the <i>Star Wars: Clone Wars</i> series. The overwhelming majority of the material collected in these trades comes from <i>Star Wars/Star Wars: Republic</i>, so I placed all the trades within that title. However, the trades do use material from <i>Star Wars: Jedi</i> and <i>Star Wars: Obsession</i>.
Thus I made a "dummy" title called <i>Star Wars: Clone Wars</i> in which I pointed back to <i>Republic</i>. Then I had it locked off by an admin. Thus, when some one searches for "Clone Wars", they'll still find the title and a note of where to go look. Then, I immediately added the issues collected to the entries for each trade. When you click on any one of the issues in <i>Clone Wars</i> trades, it automatically provides a link to the trade.
Doing all this does take a little more work, but now all bases are covered. If a person is looking at an individual issue, they have a link to the trade. If they're looking at the issue list at <i>Republic</i>, they can easily see the trades within the list. And if they search for the series, <i>Star Wars: Clone Wars</i>, they have a note telling them where to look. So no matter where an individual user thinks an individual volume of <i>Star Wars: Clone Wars</i> should be, they have breadcrumbs that'll lead them in the right direction.
Luckily, most titles have the decency to give their titles the same name, so you won't have too many issues with this (<i>Manhunter</I> is collected in <i>Manhunter</i> TPBs, for instance).