Sherbrooke, W. C. (2003). Introduction to horned lizards of North America. University of California Press.
Tohutoru Kātū Chicago (17th ed.)Sherbrooke, Wade C. Introduction to Horned Lizards of North America. Berkeley: University of California Press, 2003.
Tohutoro MLA (9th ed.)Sherbrooke, Wade C. Introduction to Horned Lizards of North America. University of California Press, 2003.
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