Lua APA (7ú heag.)

Não informado. (1979). South African journal of zoology. Foundation for Education, Science and Technology.

Lua i Stíl Chicago (17ú heag.)

Não informado. South African Journal of Zoology. Pretoria, Africa do Sul: Foundation for Education, Science and Technology, 1979.

Lua MLA (8ú heag.)

Não informado. South African Journal of Zoology. Foundation for Education, Science and Technology, 1979.

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