APA (7th ed.) Citation

Koh, M. M. C. (2011). Vocabulary size and English language achievement: A comparative study of rural and urban secondary school students.

Chicago Style (17th ed.) Citation

Koh, Michelle Moh Cheng. Vocabulary Size and English Language Achievement: A Comparative Study of Rural and Urban Secondary School Students. 2011.

MLA (8th ed.) Citation

Koh, Michelle Moh Cheng. Vocabulary Size and English Language Achievement: A Comparative Study of Rural and Urban Secondary School Students. 2011.

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