Lua APA (7ú heag.)
Duncan, J. M., Wright, S. G., & Brandon, T. L. (2014). Soil strength and slope stability (Second edition.). Wiley.
Lua i Stíl Chicago (17ú heag.)
Duncan, J. M., Stephen G. Wright, agus Thomas L. Brandon. Soil Strength and Slope Stability. Second edition. Hoboken, New Jersey: Wiley, 2014.
Lua MLA (9ú heag.)
Duncan, J. M., et al. Soil Strength and Slope Stability. Second edition. Wiley, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.