Παραπομπή APA

Fraser, D. R. (1980). computer in contemporary cartography. Wiley Eastern.

Παραπομπή Chicago Style

Fraser, D R. Computer in Contemporary Cartography. Chichester: Wiley Eastern, 1980.

Παραπομπή MLA

Fraser, D R. Computer in Contemporary Cartography. Wiley Eastern, 1980.