Lutz, G., & Stevenson, D. (2010). Writer's Digest grammar desk reference: The definitive source for clear and correct writing. Writers Digest Books.
Цитирование в стиле Чикаго (17-е изд.)Lutz, Gary, и Diane Stevenson. Writer's Digest Grammar Desk Reference: The Definitive Source for Clear and Correct Writing. Cincinnati, Ohio: Writers Digest Books, 2010.
Цитирование MLA (8-е изд.)Lutz, Gary, и Diane Stevenson. Writer's Digest Grammar Desk Reference: The Definitive Source for Clear and Correct Writing. Writers Digest Books, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.