Lutz, G., & Stevenson, D. (2010). Writer's Digest grammar desk reference: The definitive source for clear and correct writing. Writers Digest Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lutz, Gary, و Diane Stevenson. Writer's Digest Grammar Desk Reference: The Definitive Source for Clear and Correct Writing. Cincinnati, Ohio: Writers Digest Books, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lutz, Gary, و Diane Stevenson. Writer's Digest Grammar Desk Reference: The Definitive Source for Clear and Correct Writing. Writers Digest Books, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.