APA (7th ed.) Citation

Tan, W. S. L. (1981). Testing oral proficiency in English at the secondary level.

Chicago Style (17th ed.) Citation

Tan, Winnie Swee Ling. Testing Oral Proficiency in English at the Secondary Level. 1981.

MLA (8th ed.) Citation

Tan, Winnie Swee Ling. Testing Oral Proficiency in English at the Secondary Level. 1981.

Warning: These citations may not always be 100% accurate.