APA-referens (7:e uppl.)

Não informado. (1953). Southwestern naturalist. Southwestern Association of Naturalist.

Chicago-referens (17:e uppl.)

Não informado. Southwestern Naturalist. Lubbock, Tex: Southwestern Association of Naturalist, 1953.

MLA-referens (8:e uppl.)

Não informado. Southwestern Naturalist. Southwestern Association of Naturalist, 1953.

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