APA-viite (7. p.)
Walvoord, B. E. (1988). Three steps to revising your writing for style, grammar, punctuation, and spelling. Scott. Foresman and Co..
Chicago-viite (17. p.)
Walvoord, Barbara E. Three Steps to Revising Your Writing for Style, Grammar, Punctuation, and Spelling. Clenview, Illinois: Scott. Foresman and Co., 1988.
MLA-viite (9. p.)
Walvoord, Barbara E. Three Steps to Revising Your Writing for Style, Grammar, Punctuation, and Spelling. Scott. Foresman and Co., 1988.
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