Weng, C. N. (2006). Cameron Highland: Issues & challenges in sustainable development. Pulau Pinang : School of Humanities, USM.
Chicago-referens (17:e uppl.)Weng, Chan Ngai. Cameron Highland: Issues & Challenges in Sustainable Development. Pulau Pinang : School of Humanities, USM, 2006.
MLA-referens (9:e uppl.)Weng, Chan Ngai. Cameron Highland: Issues & Challenges in Sustainable Development. Pulau Pinang : School of Humanities, USM, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.