APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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

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