APA-ийн эшлэл(7 дахь хэвлэлт)

Birkmeyer, J., Reames, B., McCulloch, P., Carr, A., Campbell, W., & Wennberg, J. (2013). Understanding of regional variation in the use of surgery.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Birkmeyer, J., B. Reames, P. McCulloch, A. Carr, W. Campbell, ба J. Wennberg. Understanding of Regional Variation in the Use of Surgery. 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Birkmeyer, J., et al. Understanding of Regional Variation in the Use of Surgery. 2013.