Stebbins, R. C. (1966). A field guide to western reptiles and amphibians: Field marks of all species in western North America. Houghton Mifflin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStebbins, Robert C. A Field Guide to Western Reptiles and Amphibians: Field Marks of All Species in Western North America. Boston: Houghton Mifflin, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStebbins, Robert C. A Field Guide to Western Reptiles and Amphibians: Field Marks of All Species in Western North America. Houghton Mifflin, 1966.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.