Dyfyniad APA

Briault, E. W. H., & Hubbard, J. H. (1957). An introduction to advanced geography. Longmans, Green.

Dyfyniad Arddull Chicago

Briault, E. W. H., and J. H. Hubbard. An Introduction to Advanced Geography. London, New York: Longmans, Green, 1957.

Dyfyniad MLA

Briault, E. W. H., and J. H. Hubbard. An Introduction to Advanced Geography. Longmans, Green, 1957.

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