Arkert, P. (1991). Concepts and Comments: A Reader for Students of English as a Second Language. TP.HCM: Đại học Tổng hợp.
Παραπομπή Chicago StyleArkert, Patricia. Concepts and Comments: A Reader for Students of English As a Second Language. TP.HCM: Đại học Tổng hợp, 1991.
Παραπομπή MLAArkert, Patricia. Concepts and Comments: A Reader for Students of English As a Second Language. TP.HCM: Đại học Tổng hợp, 1991.
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