Dyfyniad APA
Tyler, M. J., & Doughty, P. (2009). Field guide to frogs of western Australia (4th ed.). Western Australian Museum.
Dyfyniad Arddull Chicago
Tyler, Michael J., and P. Doughty. Field Guide to Frogs of Western Australia. 4th ed. Welshpool: Western Australian Museum, 2009.
Dyfyniad MLA
Tyler, Michael J., and P. Doughty. Field Guide to Frogs of Western Australia. 4th ed. Western Australian Museum, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.