Piper, R. G. (1982). Fish hatchery management. Washington, D.C: U.S. Department of the Interior, Fish and Wildlife Service.
Styl ChicagoPiper, Robert G. Fish Hatchery Management. Washington, D.C: U.S. Department of the Interior, Fish and Wildlife Service, 1982.
Citace podle MLAPiper, Robert G. Fish Hatchery Management. Washington, D.C: U.S. Department of the Interior, Fish and Wildlife Service, 1982.
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