The Best Punctuation Book, Period: A Comprehensive Guide for Every Writer, Editor, Student, and Businessperson Paperback – 15 April 2014

The Best Punctuation Book, Period: A Comprehensive Guide for Every Writer, Editor, Student, and Businessperson

The Blue Book of Grammar and Punctuation: An Easy-to-Use Guide with Clear Rules, Real-World Examples, and Reproducible Quizzes

McGraw-Hill's Proofreading Handbook