REF | Type | Cut-and-Paste Reference |
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| Bull, E.L. 2006. Sexual differences in the ecology and habitat selection of western toads (Bufo boreas) in northeastern Oregon. Herpetological Conservation and Biology 1(1):27-38. |
33185
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Web Page
| California Herps. 2019. California toad - Anaxyrus boreas halophilus. http://www.californiaherps.com/. Accessed on 06/03/2019. |
33272
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Book
| Hammerson, G.A. 1999. Amphibians and reptiles in Colorado. University Press of Colorado. |
12105
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Book
| McKeown, S. 1996. A Field Guide to Reptiles and Amphibians in the Hawaiian Islands. Diamond Head Publishing, Inc, Los Osos, CA. |
12107
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Journal Article
| Oliver, J.A., and C.E. Shaw. 1953. The amphibians and reptiles of the Hawaiian Islands. Zoologica 38(5):65-95. |
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Book
| Stebbins, R.C. and McGinnis, S.M. 2012. Amphibians and reptiles of California. Revised edition. California Natural History Guides, Berkeley, CA. |