APA (7th ed.) Citation

Yan,Pang. (2004). The Challenge (Professor Quak's Science Adventures). Pan Earth Sdn.Bhd..

Chicago Style (17th ed.) Citation

Yan,Pang. The Challenge (Professor Quak's Science Adventures). Petaling Jaya: Pan Earth Sdn.Bhd., 2004.

MLA (9th ed.) Citation

Yan,Pang. The Challenge (Professor Quak's Science Adventures). Pan Earth Sdn.Bhd., 2004.

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