APA (7th ed.) Citation

Mohd Mustafa & Koay, S. Y. (2001). Gandakan perbendaharaan kata Bahasa Inggeris anda: Enrich your English Vocabulary. Pelanduk Publications.

Chicago Style (17th ed.) Citation

Mohd Mustafa and S. Y. Koay. Gandakan Perbendaharaan Kata Bahasa Inggeris Anda: Enrich Your English Vocabulary. Subang Jaya: Pelanduk Publications, 2001.

MLA (9th ed.) Citation

Mohd Mustafa and S. Y. Koay. Gandakan Perbendaharaan Kata Bahasa Inggeris Anda: Enrich Your English Vocabulary. Pelanduk Publications, 2001.