APA Citation

Heo, S., & Hasri Hassan. (2011). Why? Tubuh kita. Petaling Jaya: Orbit Buku.

Chicago Style Citation

Heo, Soon-Bong, and Hasri Hassan. Why? Tubuh Kita. Petaling Jaya: Orbit Buku, 2011.

MLA Citation

Heo, Soon-Bong, and Hasri Hassan. Why? Tubuh Kita. Petaling Jaya: Orbit Buku, 2011.

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