Hancock, W. K. (1966). Are there South African? South African Institute of Race Relations.
Citazione stile Chigago Style (17a edizione)Hancock, W. K. Are There South African? Johannesburg: South African Institute of Race Relations, 1966.
Citatione MLA (8a ed.)Hancock, W. K. Are There South African? South African Institute of Race Relations, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.