APA Citation

Heo Soon Bong. (2011). Why? Sains Hayat. Selangor: Orbit Sdn.Bhd.

Chicago Style Citation

Heo Soon Bong. Why? Sains Hayat. Selangor: Orbit Sdn.Bhd, 2011.

MLA Citation

Heo Soon Bong. Why? Sains Hayat. Selangor: Orbit Sdn.Bhd, 2011.

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