Ackert, P. (1985). Concepts and comments: A reader for students of English as a second language. New York: Holt.
استشهاد بنمط شيكاغوAckert, Patricia. Concepts and Comments: A Reader for Students of English As a Second Language. New York: Holt, 1985.
MLA استشهادAckert, Patricia. Concepts and Comments: A Reader for Students of English As a Second Language. New York: Holt, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.