Tohutoro APA (7th ed.)
Burke, T. E. (2013). Land snails and slugs of the Pacific Northwest. Oregon State University Press.
Tohutoru Kātū Chicago (17th ed.)
Burke, Thomas E. Land Snails and Slugs of the Pacific Northwest. Corvallis: Oregon State University Press, 2013.
Tohutoro MLA (9th ed.)
Burke, Thomas E. Land Snails and Slugs of the Pacific Northwest. Oregon State University Press, 2013.
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