-. (1990). The land resources of indonesia: A anational overview. Foreign Office.
Chicagoスタイル(17版)引用形式-. The Land Resources of Indonesia: A Anational Overview. London: Foreign Office, 1990.
MLA(9版)引用形式-. The Land Resources of Indonesia: A Anational Overview. Foreign Office, 1990.
警告: この引用は必ずしも正確ではありません.