APA (7th ed.) Citation

Ainon Mohd. & Abdullah Hassan. (2002). Belajar berfikir. PTS Publications.

Chicago Style (17th ed.) Citation

Ainon Mohd. and Abdullah Hassan. Belajar Berfikir. Kuala Lumpur: PTS Publications, 2002.

MLA (9th ed.) Citation

Ainon Mohd. and Abdullah Hassan. Belajar Berfikir. PTS Publications, 2002.

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