Não informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
Chicagoスタイル(17版)引用形式Não informado. Progress Report of the Land Resources Division. Surbiton, Inglaterra: Ministry of Overseas Development.
MLA(8版)引用形式Não informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
警告: この引用は必ずしも正確ではありません.