APA (7e ed.) Bronvermelding

Siebörger, R. F. (1975). The recruitment and organization of African labor for the Kimberley Diamond Mines, 1871-1888.

Chicago (17e ed.) Bronvermelding

Siebörger, Robert Frederick. The Recruitment and Organization of African Labor for the Kimberley Diamond Mines, 1871-1888. 1975.

MLA (8e ed.) Bronvermelding

Siebörger, Robert Frederick. The Recruitment and Organization of African Labor for the Kimberley Diamond Mines, 1871-1888. 1975.

Let op: Deze citaties zijn niet altijd 100% accuraat.