APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Savin-Baden, M., & Wilkie, K. (2006). Problem-based learning online. Open University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Maggi Savin-Baden, ба Kay Wilkie. Problem-based Learning Online. Maidenhead: Open University Press, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Problem-based Learning Online. Open University Press, 2006.