Dyfyniad APA

Butlin, R. A. (1993). Historical geography: Through the gates of space and time. E. Arnold.

Dyfyniad Arddull Chicago

Butlin, R. A. Historical Geography: Through the Gates of Space and Time. London: E. Arnold, 1993.

Dyfyniad MLA

Butlin, R. A. Historical Geography: Through the Gates of Space and Time. E. Arnold, 1993.

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