Dyfyniad APA
Khan, I. M. (2005). Geotechnical engineering (2nd ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Khan, Iqbal M. Geotechnical Engineering. 2nd ed. New Delhi: Prentice Hall, 2005.
Dyfyniad MLA
Khan, Iqbal M. Geotechnical Engineering. 2nd ed. Prentice Hall, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.