Changsirivathanathamrong, B. (1974). The prospects of the rubber industry in the Philippines [microform]. Photoduplication Service.
Chicagoスタイル(17版)引用形式Changsirivathanathamrong, Boonkul. The Prospects of the Rubber Industry in the Philippines [microform]. Quezon City: Photoduplication Service, 1974.
MLA(9版)引用形式Changsirivathanathamrong, Boonkul. The Prospects of the Rubber Industry in the Philippines [microform]. Photoduplication Service, 1974.
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