Dyfyniad APA
Tuma M. Jan J. & Hady, A. (1963). Engineering soil mechanics. Addidon-Wesley.
Dyfyniad Arddull Chicago
Tuma M. Jan J. and Abdel Hady. Engineering Soil Mechanics. London: Addidon-Wesley, 1963.
Dyfyniad MLA
Tuma M. Jan J. and Abdel Hady. Engineering Soil Mechanics. Addidon-Wesley, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.