Robson, D., & Dupe, C. Z. (1993). Mengamati ular (Cet. 1.). Yogyakarta: Taman Gahara, 1993.
Chicago Style CitationRobson, Denny, and Constantin Z. Dupe. Mengamati Ular. Cet. 1. Yogyakarta: Taman Gahara, 1993, 1993.
MLA CitationRobson, Denny, and Constantin Z. Dupe. Mengamati Ular. Cet. 1. Yogyakarta: Taman Gahara, 1993, 1993.
Warning: These citations may not always be 100% accurate.