Cita APA (7th ed.)

Lawrence, G. R. P. (1979). Cartographic methods (2nd ed.). Methuen.

Cita Chicago (17th ed.)

Lawrence, G. R. P. Cartographic Methods. 2nd ed. London: Methuen, 1979.

Cita MLA (9th ed.)

Lawrence, G. R. P. Cartographic Methods. 2nd ed. Methuen, 1979.