Hoff, E., Keller, M., & Barthold, J. (2020). Scenic science of the national parks: An explorer's guide to wildlife, geology, and botany (First edition.). Ten Speed Press.
Citace podle Chicago (17th ed.)Hoff, Emily, Maygen Keller, a Jillian Barthold. Scenic Science of the National Parks: An Explorer's Guide to Wildlife, Geology, and Botany. First edition. California: Ten Speed Press, 2020.
Citace podle MLA (9th ed.)Hoff, Emily, et al. Scenic Science of the National Parks: An Explorer's Guide to Wildlife, Geology, and Botany. First edition. Ten Speed Press, 2020.
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