Voon, P. K. (1976). Western rubber planting enterprise in Southeast Asia, 1876-1921. Kuala Lumpur: Penerbit Universiti Malaya.
Trích dẫn kiểu ChicagoVoon, Phin Keong. Western Rubber Planting Enterprise in Southeast Asia, 1876-1921. Kuala Lumpur: Penerbit Universiti Malaya, 1976.
MLA citiranjeVoon, Phin Keong. Western Rubber Planting Enterprise in Southeast Asia, 1876-1921. Kuala Lumpur: Penerbit Universiti Malaya, 1976.
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