APA-referens

Sahni, K. (1990). Gymnosperms of India and adjacent countries. Bishen Singh Mahendra Singh.

Chicago-stil citat

Sahni, K.C. Gymnosperms of India and Adjacent Countries. Dehradun: Bishen Singh Mahendra Singh, 1990.

MLA-referens

Sahni, K.C. Gymnosperms of India and Adjacent Countries. Bishen Singh Mahendra Singh, 1990.

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