WordPress › Page-Links Plus « WordPress Plugins

Adds a "single page" option to Page-Link-tag-generated page lists.

Install and activate the basic Page-Links Plus plugin. (If you're unfamiliar with installing WordPress plugins, please read this page from the Codex).
You'll see a new top-level admin menu titled "Page-Links Plus" where you can globally enable/disable the single page view.
After enabling, users can also activate the single-page view by appending ?singlepage=1 to the end of any page or post (e.g., http://sampleurl.com/page-title?singlepage=1).
Add other Page-Links Plus modules:

The Pagination Styles module makes it easy for WordPress users to integrate HTML elements and CSS classes and id's and manage wp_link_pages() parameters.
The Auto Pagination module allows WordPress users to trade tedious in-line  tags for a site-wide management tool that paginates posts and pages quickly and uniformly.
The Scrolling Pagination module helps WordPress users customize the "nextpagelink" and "previouspagelink" wp_link_pages() parameters and integrate custom-length, scrolling page lists into posts and pages.