APA (7th ed.) Citation

Jasman Ahmad, Siti Razmah Hj. Idris, & Sulaiman Zakaria. (1996). Ancaman pencemaran. Penerbit Setiamas.

Chicago Style (17th ed.) Citation

Jasman Ahmad, Siti Razmah Hj. Idris, and Sulaiman Zakaria. Ancaman Pencemaran. Petaling Jaya: Penerbit Setiamas, 1996.

MLA (8th ed.) Citation

Jasman Ahmad, et al. Ancaman Pencemaran. Penerbit Setiamas, 1996.