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 Style (17th ed.) Citation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.
ציטוט MLA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.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.