Dyfyniad APA

Goodman, R. E. (1993). Engineering geology: Rock in engineering construction. John Wiley & Sons, Inc.

Dyfyniad Arddull Chicago

Goodman, Richard E. Engineering Geology: Rock in Engineering Construction. New York: John Wiley & Sons, Inc, 1993.

Dyfyniad MLA

Goodman, Richard E. Engineering Geology: Rock in Engineering Construction. John Wiley & Sons, Inc, 1993.

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