Cita APA (7th ed.)

Botswana. Geological Survey and Mines Dept. Annual reports. Govt. Printer.

Cita Chicago (17th ed.)

Botswana. Geological Survey and Mines Dept. Annual Reports. Gaborone,: Govt. Printer.

Cita MLA (8th ed.)

Botswana. Geological Survey and Mines Dept. Annual Reports. Govt. Printer.

Atenció: Aquestes cites poden no estar 100% correctes.