Dyfyniad APA
Johnson, M. R. W., & Harley, S. (2012). Orogenesis: The making of mountains. Cambridge University Press.
Dyfyniad Arddull Chicago
Johnson, M. R. W., and Simon Harley. Orogenesis: The Making of Mountains. Cambridge ; New York: Cambridge University Press, 2012.
Dyfyniad MLA
Johnson, M. R. W., and Simon Harley. Orogenesis: The Making of Mountains. Cambridge University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.