APA(7版)引用形式

Não informado. (2021). Annual Report of the Geological Survey and Mines Department, Bechuanaland. Geological Survey and Mines Department.

Chicagoスタイル(17版)引用形式

Não informado. Annual Report of the Geological Survey and Mines Department, Bechuanaland. Gaberones: Geological Survey and Mines Department, 2021.

MLA(8版)引用形式

Não informado. Annual Report of the Geological Survey and Mines Department, Bechuanaland. Geological Survey and Mines Department, 2021.

警告: この引用は必ずしも正確ではありません.