Green, E. C. D. (1940). Cacao cultivation and its application to the Mandated Territory of New Guinea. Dept. of Agriculture, Stock and Fisheries.
Chicago-viite (17. p.)Green, E. C. D. Cacao Cultivation and Its Application to the Mandated Territory of New Guinea. [Port Moresby: Dept. of Agriculture, Stock and Fisheries, 1940.
MLA-viite (9. p.)Green, E. C. D. Cacao Cultivation and Its Application to the Mandated Territory of New Guinea. Dept. of Agriculture, Stock and Fisheries, 1940.
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