Verma, P. S. (1972). A Manual of Practical Zoology Chordates. S. Chand and Company.
Citación estilo ChicagoVerma, P. S. A Manual of Practical Zoology Chordates. New Delhi: S. Chand and Company, 1972.
Cita MLAVerma, P. S. A Manual of Practical Zoology Chordates. S. Chand and Company, 1972.
Warning: These citations may not always be 100% accurate.