APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Warren, R., & Arulkumaran, S. (2009). Best practice in labour and delivery. Cambridge University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Richard Warren, ба Sabaratnam Arulkumaran. Best Practice in Labour and Delivery. Cambridge ; New York: Cambridge University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Best Practice in Labour and Delivery. Cambridge University Press, 2009.