Burnie. (1997). Bagaimana alam semula jadi berfungsi. Tropical Press.
Chicago Style (17th ed.) CitationBurnie. Bagaimana Alam Semula Jadi Berfungsi. Kuala Lumpur: Tropical Press, 1997.
MLA (8th ed.) CitationBurnie. Bagaimana Alam Semula Jadi Berfungsi. Tropical Press, 1997.
Warning: These citations may not always be 100% accurate.