SIMMONS, I. G. (1981). The Ecology of natural resources. Edward Arnold.
Chicagoスタイル(17版)引用形式SIMMONS, I. G. The Ecology of Natural Resources. London: Edward Arnold, 1981.
MLA(9版)引用形式SIMMONS, I. G. The Ecology of Natural Resources. Edward Arnold, 1981.
警告: この引用は必ずしも正確ではありません.