Dyfyniad APA
Sing, A. (1987). Modern Geotechnical Engineering (3rd ed.). CBC Publishers.
Dyfyniad Arddull Chicago
Sing, Alam. Modern Geotechnical Engineering. 3rd ed. New Delhi: CBC Publishers, 1987.
Dyfyniad MLA
Sing, Alam. Modern Geotechnical Engineering. 3rd ed. CBC Publishers, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.