Não informado. (1954). Papua New Guinea Agricultural Journal. Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Papua New Guinea Agricultural Journal. Port Moresby: Department of Agriculture, 1954.
MLA(8版)引用形式Não informado. Papua New Guinea Agricultural Journal. Department of Agriculture, 1954.
警告: この引用は必ずしも正確ではありません.