Ripley, S. D. A Synopsis of the Birds of India and Pakistan: Together with those of Nepal , Sikkim, Bhutan and Ceylon.
Citazione stile Chigago Style (17a edizione)Ripley, Sidney Dillon. A Synopsis of the Birds of India and Pakistan: Together with Those of Nepal , Sikkim, Bhutan and Ceylon.
Citatione MLA (9a ed.)Ripley, Sidney Dillon. A Synopsis of the Birds of India and Pakistan: Together with Those of Nepal , Sikkim, Bhutan and Ceylon.
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