APA-viite

George Mathew. Environmental studies of some selected wetlands in malabar with special reference to birdlife.

Chicago-tyylinen lähdeviittaus

George Mathew. Environmental Studies of Some Selected Wetlands in Malabar with Special Reference to Birdlife.

MLA-viite

George Mathew. Environmental Studies of Some Selected Wetlands in Malabar with Special Reference to Birdlife.

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