The Writing Center has narrowed its list of sources to those we use most frequently, though each page linked here contains additional sources that will prove helpful at various points during the writing process. 

• UNC Writing Center Tips & Tools – A comprehensive database of succinct pages addressing every aspect of the writing process.
• The Purdue OWL – A pair of excellent guides for using either APA or MLA style, each with its own sample essays that show how a paper should look when using these styles appropriately.
• APA
• MLA
• The Chicago Manual of Style – The official page for those of you writing in Chicago style