Kirkwood, K. (1951). The proposed federation of the Central African territories: By Kenneth Kirkwood. South African Institute of Race Relations.
Chicago-Zitierstil (17. Ausg.)Kirkwood, Kenneth. The Proposed Federation of the Central African Territories: By Kenneth Kirkwood. Johannesburg: South African Institute of Race Relations, 1951.
MLA-Zitierstil (8. Ausg.)Kirkwood, Kenneth. The Proposed Federation of the Central African Territories: By Kenneth Kirkwood. South African Institute of Race Relations, 1951.
警告：這些引文格式不一定是100％准確.