Cita APA

Department of information. (1978). South Africa 1978: Official yearbook of the Republic of South Africa Perskor.

Citación estilo Chicago

Department of information. South Africa 1978: Official Yearbook of the Republic of South Africa. 5. ed. Johannesburg: Perskor, 1978.

Cita MLA

Department of information. South Africa 1978: Official Yearbook of the Republic of South Africa. 5. ed. Johannesburg: Perskor, 1978.