Dahlia Abdul Halim & Asmaliza Ayob. (2002). Alam sekitar: Kian tercemar. Pustaka Murni.
Chicago Style (17th ed.) CitationDahlia Abdul Halim and Asmaliza Ayob. Alam Sekitar: Kian Tercemar. Petaling Jaya: Pustaka Murni, 2002.
MLA (8th ed.) CitationDahlia Abdul Halim and Asmaliza Ayob. Alam Sekitar: Kian Tercemar. Pustaka Murni, 2002.
Warning: These citations may not always be 100% accurate.