Dyfyniad APA

Smith, G. N., & Smith, I. G. N. (1998). Elements of Soil Mechanics (7th ed.). Blackwell Science.

Dyfyniad Arddull Chicago

Smith, G N., and Ian G N. Smith. Elements of Soil Mechanics. 7th ed. Oxford: Blackwell Science, 1998.

Dyfyniad MLA

Smith, G N., and Ian G N. Smith. Elements of Soil Mechanics. 7th ed. Blackwell Science, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.