Winston. (1999). Describing species: A practical texonomic procedure for biologists. Bishen Singh Mahendra Pal Singh.
Chicago-tyylinen lähdeviittausWinston. Describing Species: A Practical Texonomic Procedure for Biologists. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1999.
MLA-viiteWinston. Describing Species: A Practical Texonomic Procedure for Biologists. Bishen Singh Mahendra Pal Singh, 1999.
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