Dyfyniad APA

Bennett, M. R., & Doyle, P. (1997). Environmental Geology: Geology and the Human Environment. John Wiley.

Dyfyniad Arddull Chicago

Bennett, Mathew R., and Peter Doyle. Environmental Geology: Geology and the Human Environment. Chichester: John Wiley, 1997.

Dyfyniad MLA

Bennett, Mathew R., and Peter Doyle. Environmental Geology: Geology and the Human Environment. John Wiley, 1997.

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