Perrin, W. F. (1989). Biology and conservation of the river dolphins. Suecia: IUCN.
Chicago Style CitationPerrin, William F. Biology and Conservation of the River Dolphins. Suecia: IUCN, 1989.
MLA CitationPerrin, William F. Biology and Conservation of the River Dolphins. Suecia: IUCN, 1989.
Warning: These citations may not always be 100% accurate.