Dyfyniad APA

Smith, J. U., & Smith, P. (2007). Introduction to environmental modelling. Oxford University Press.

Dyfyniad Arddull Chicago

Smith, Jo U., and Pete Smith. Introduction to Environmental Modelling. Oxford ; New York: Oxford University Press, 2007.

Dyfyniad MLA

Smith, Jo U., and Pete Smith. Introduction to Environmental Modelling. Oxford University Press, 2007.

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