APA (7e ed.) Bronvermelding

Burke. Land Snails and Slugs of the Pacific Northwest. Oregon State University Press.

Chicago (17e ed.) Bronvermelding

Burke. Land Snails and Slugs of the Pacific Northwest. Oregon State University Press.

MLA (8e ed.) Bronvermelding

Burke. Land Snails and Slugs of the Pacific Northwest. Oregon State University Press.

Let op: Deze citaties zijn niet altijd 100% accuraat.