Dyfyniad APA

PECK, R. B., HANSON, W. E., & THORNBURN, T. H. (1994). Foundation engineering.-- ed.2. John Wiley and Sons.

Dyfyniad Arddull Chicago

PECK, Ralph B., Walter E. HANSON, and Thomas H. THORNBURN. Foundation Engineering.-- Ed.2. New York: John Wiley and Sons, 1994.

Dyfyniad MLA

PECK, Ralph B., et al. Foundation Engineering.-- Ed.2. John Wiley and Sons, 1994.

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