Tan, W. S. L. (1981). Testing oral proficiency in English at the secondary level.
Chicago Style (17th ed.) CitationTan, Winnie Swee Ling. Testing Oral Proficiency in English at the Secondary Level. 1981.
MLA引文Tan, Winnie Swee Ling. Testing Oral Proficiency in English at the Secondary Level. 1981.
警告:这些引文格式不一定是100%准确.