Deismireacht APA

Duthie, J. F. (1979). Orchids of the North - Western Himalaya. Bishen Singh Mahendra Pal Singh.

Chicago Edition Citation

Duthie, J F. Orchids of the North - Western Himalaya. Dehradun: Bishen Singh Mahendra Pal Singh, 1979.

Deismireacht MLA

Duthie, J F. Orchids of the North - Western Himalaya. Bishen Singh Mahendra Pal Singh, 1979.

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