Orton, J., & Dodge, C. W. (1903). General zöology: Practical, systematic and comparative; being a revision and rearrangement of Orton's Comparative zöology. American book Co.
Chicago-referens (17:e uppl.)Orton, James, och Charles Wright Dodge. General Zöology: Practical, Systematic and Comparative; Being a Revision and Rearrangement of Orton's Comparative Zöology. New York, Cincinnati [etc]: American book Co, 1903.
MLA-referens (8:e uppl.)Orton, James, och Charles Wright Dodge. General Zöology: Practical, Systematic and Comparative; Being a Revision and Rearrangement of Orton's Comparative Zöology. American book Co, 1903.
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