Powell, J. (1975). Agricultural traditions of the Mount Hagen area. University of Papua New Guinea, Dept. of Geography.
Chicagoスタイル(17版)引用形式Powell, Jocelyn. Agricultural Traditions of the Mount Hagen Area. [Port Moresby]: University of Papua New Guinea, Dept. of Geography, 1975.
MLA(9版)引用形式Powell, Jocelyn. Agricultural Traditions of the Mount Hagen Area. University of Papua New Guinea, Dept. of Geography, 1975.
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