Verma, P. S. (1972). A Manual of Practical Zoology: Chordates. S. Chand & Company.
Chicago Style (17th ed.) CitationVerma, P. S. A Manual of Practical Zoology: Chordates. New Delhi: S. Chand & Company, 1972.
MLA (9th ed.) CitationVerma, P. S. A Manual of Practical Zoology: Chordates. S. Chand & Company, 1972.
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