Aileen Traver, P. K. (1968). English as a second language. Selecções do Reader's Digest.
Chicagoスタイル(17版)引用形式Aileen Traver, Ph.D. Kitchin. English as a Second Language. Selecções do Reader's Digest, 1968.
MLA(8版)引用形式Aileen Traver, Ph.D. Kitchin. English as a Second Language. Selecções do Reader's Digest, 1968.
警告: この引用は必ずしも正確ではありません.