Foster, S., & Caras, R. A. (1994). A field guide to venomous animals and poisonous plants, North America, north of Mexico. Houghton Mifflin.
Cita Chicago Style (17a ed.)Foster, Steven, y Roger A. Caras. A Field Guide to Venomous Animals and Poisonous Plants, North America, North of Mexico. Boston: Houghton Mifflin, 1994.
Cita MLA (8a ed.)Foster, Steven, y Roger A. Caras. A Field Guide to Venomous Animals and Poisonous Plants, North America, North of Mexico. Houghton Mifflin, 1994.
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