Crocker, D. W., & Barr, D. W. (1968). Handbook of the crayfishes of Ontario. Published for Royal Ontario Museum by University of Toronto Press.
Citace podle Chicago (17th ed.)Crocker, Denton W., a David W. Barr. Handbook of the Crayfishes of Ontario. Toronto: Published for Royal Ontario Museum by University of Toronto Press, 1968.
Citace podle MLA (9th ed.)Crocker, Denton W., a David W. Barr. Handbook of the Crayfishes of Ontario. Published for Royal Ontario Museum by University of Toronto Press, 1968.
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