Style and Grammar Guidelines - The APA Style website covers supplementary material to the book on the mechanics of style and structure of your paper. Topics include:
Sample Papers - The APA Style website gives you examples of APA formatted student papers and research papers for publication.
APA Style Blog - Written and maintained by APA staff, the contributors to the blog answer questions about formatting uncommon resources in APA style. For example, the entry on Shortening URLs, is very useful.