APA-ийн эшлэл(7 дахь хэвлэлт)

Snow, B. K., Snow, D., & Busby, J. (1988). Birds and berries: A study of an ecological interaction. T & A D Poyser.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Snow, Barbara K., David Snow, ба John Busby. Birds and Berries: A Study of an Ecological Interaction. Calton [Scotland]: T & A D Poyser, 1988.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Snow, Barbara K., et al. Birds and Berries: A Study of an Ecological Interaction. T & A D Poyser, 1988.