APA (7th ed.) Citation

Ng Guan Fook. (2002). Contoh kertas peperiksaan SPM: Biologi. Preston Corporation Sdn.Bhd..

Chicago Style (17th ed.) Citation

Ng Guan Fook. Contoh Kertas Peperiksaan SPM: Biologi. Petaling Jaya: Preston Corporation Sdn.Bhd., 2002.

MLA (9th ed.) Citation

Ng Guan Fook. Contoh Kertas Peperiksaan SPM: Biologi. Preston Corporation Sdn.Bhd., 2002.

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