Dyfyniad APA

Robinson, A. (1969). Elements of cartography/3rd ed. John Wiley and sons.

Dyfyniad Arddull Chicago

Robinson, Arthur. Elements of Cartography/3rd Ed. New York: John Wiley and sons, 1969.

Dyfyniad MLA

Robinson, Arthur. Elements of Cartography/3rd Ed. John Wiley and sons, 1969.

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