APA (7th ed.) Citation

LEN, E., & YUE, P. (1988). Secondary 2 vocabulary guide and practice. reston Corporation.

Chicago Style (17th ed.) Citation

LEN, Evelyn, and P.S YUE. Secondary 2 Vocabulary Guide and Practice. Singaphore: reston Corporation, 1988.

MLA (9th ed.) Citation

LEN, Evelyn, and P.S YUE. Secondary 2 Vocabulary Guide and Practice. reston Corporation, 1988.

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