APA (7e ed.) Bronvermelding
Duncan, J. M., Wright, S. G., & Brandon, T. L. (2014). Soil strength and slope stability (Second edition.). Wiley.
Chicago (17e ed.) Bronvermelding
Duncan, J. M., Stephen G. Wright, en Thomas L. Brandon. Soil Strength and Slope Stability. Second edition. Hoboken, New Jersey: Wiley, 2014.
MLA (9e ed.) Bronvermelding
Duncan, J. M., et al. Soil Strength and Slope Stability. Second edition. Wiley, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.