APA (7e ed.) Bronvermelding

Não informado. (1977). South African journal of chemistry. Foundation for Education, Science and Technology.

Chicago (17e ed.) Bronvermelding

Não informado. South African Journal of Chemistry. Pretoria, Africa do Sul: Foundation for Education, Science and Technology, 1977.

MLA (8e ed.) Bronvermelding

Não informado. South African Journal of Chemistry. Foundation for Education, Science and Technology, 1977.

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