APA (7e ed.) Bronvermelding

Wilkinson, H. R. (1971). Maps and diagrams: Their compilation and construction (3rd ed.). Methuen.

Chicago (17e ed.) Bronvermelding

Wilkinson, H. R. Maps and Diagrams: Their Compilation and Construction. 3rd ed. London: Methuen, 1971.

MLA (9e ed.) Bronvermelding

Wilkinson, H. R. Maps and Diagrams: Their Compilation and Construction. 3rd ed. Methuen, 1971.