Cook, A. (2012). American accent training: A guide to speaking and pronouncing American English for everyone who speaks English as a second language (3rd ed.). Barron's.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cook, Ann. American Accent Training: A Guide to Speaking and Pronouncing American English for Everyone Who Speaks English as a Second Language. 3rd ed. Hauppauge, N.Y.: Barron's, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cook, Ann. American Accent Training: A Guide to Speaking and Pronouncing American English for Everyone Who Speaks English as a Second Language. 3rd ed. Barron's, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.