Preferred style guide: The Chicago Manual of Style, Sixteenth Edition (CMOS) Preferred dictionary: Merriam-Webster's Online Dictionary or Merriam-Webster's Collegiate Dictionary, Eleventh Edition
The Chicago Manual of Style, Sixteenth Edition Merriam-Webster's Collegiate Dictionary, Eleventh Edition The Elements of Style The Grammar Devotional The Blue Book of Grammar and Punctuation The McGraw-Hill Handbook of English Grammar and Usage