Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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