Dyfyniad APA

Birch, T. (1964). Maps: Topographical and statistical (2nd ed.). Clarendon Press.

Dyfyniad Arddull Chicago

Birch, T.W. Maps: Topographical and Statistical. 2nd ed. Oxford: Clarendon Press, 1964.

Dyfyniad MLA

Birch, T.W. Maps: Topographical and Statistical. 2nd ed. Clarendon Press, 1964.

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