APA (7th ed.) Citation

Soon, T., & Umi Kalsom Mohd Azuddin. (2011). Impak maksima dalam pembentangan. PTS Proffesional.

Chicago Style (17th ed.) Citation

Soon, Tony, and Umi Kalsom Mohd Azuddin. Impak Maksima Dalam Pembentangan. Batu Caves, Selangor, Malaysia: PTS Proffesional, 2011.

MLA (9th ed.) Citation

Soon, Tony, and Umi Kalsom Mohd Azuddin. Impak Maksima Dalam Pembentangan. PTS Proffesional, 2011.