任惠莲. (2009). 英语国家概况精要问答: Highlights of a survey of English speaking countries questions & answers. 西安出版社.
Chicagoスタイル(17版)引用形式任惠莲. 英语国家概况精要问答: Highlights of a Survey of English Speaking Countries Questions & Answers. 西安出版社, 2009.
MLA(8版)引用形式任惠莲. 英语国家概况精要问答: Highlights of a Survey of English Speaking Countries Questions & Answers. 西安出版社, 2009.
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