Dyfyniad APA

Bowles, J. E. (1996). Foundation analysis and design (5th ed.). New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Bowles, Joseph E. Foundation Analysis and Design. 5th ed. New York: McGraw-Hill, 1996.

Dyfyniad MLA

Bowles, Joseph E. Foundation Analysis and Design. 5th ed. New York: McGraw-Hill, 1996.

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