Não informado. (1953). Papua and New Guinea Agricultural Gazette. Department of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Papua and New Guinea Agricultural Gazette. Port Moresby: Department of Agriculture, 1953.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Papua and New Guinea Agricultural Gazette. Department of Agriculture, 1953.
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