Goh Cheng Leong & Sundaram, D. (1989). Geografi fizikal STPM. Penerbit Fajar Bakti Sdn. Bhd..
Chicago Style (17th ed.) CitationGoh Cheng Leong and Dikson Sundaram. Geografi Fizikal STPM. Petaling Jaya: Penerbit Fajar Bakti Sdn. Bhd., 1989.
MLA (9th ed.) CitationGoh Cheng Leong and Dikson Sundaram. Geografi Fizikal STPM. Penerbit Fajar Bakti Sdn. Bhd., 1989.
Warning: These citations may not always be 100% accurate.