• Purdue University Online Writing Lab
• The Writing Center at the University of North Carolina-Chapel Hill Handouts
• The Center for Writing Studies at the University of Illinois Champaign-Urbana Writer Resources
• Writing@CSU–Colorado State University
• Diana Hacker’s Research and Documentation Online (5^th Edition)
• BibMe Bibliography Maker
• EasyBib Bibliography Maker
• Norton/Write W.W. Norton StudySpace
• William Strunk’s Elements of Style
• HyperGrammar at the University of Ottawa Writing Centre
• Grammar Girl
• Merriam-Webster Dictionary