Dyfyniad APA
Venkatramaiah, C. (2017). Geotechnical engineering (5th ed.). New Age International.
Dyfyniad Arddull Chicago
Venkatramaiah, C. Geotechnical Engineering. 5th ed. Kolkata: New Age International, 2017.
Dyfyniad MLA
Venkatramaiah, C. Geotechnical Engineering. 5th ed. New Age International, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.