APA-ийн эшлэл(7 дахь хэвлэлт)

Duncan, J. M., Wright, S. G., & Brandon, T. L. (2014). Soil strength and slope stability (2a. ed.). John Wiley and Sons, Inc.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Duncan, J. Michael, Stephen G. Wright, ба Thomas L. Brandon. Soil Strength and Slope Stability. 2a. ed. Hoboken: John Wiley and Sons, Inc, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Duncan, J. Michael, et al. Soil Strength and Slope Stability. 2a. ed. John Wiley and Sons, Inc, 2014.