Gopsill, G., & Bessley, F. (1964). Practical geography: Exercises with modles and improvised equipment. Macmillan.
Citación estilo ChicagoGopsill, G.H, and Frank Bessley. Practical Geography: Exercises with Modles and Improvised Equipment. London: Macmillan, 1964.
Cita MLAGopsill, G.H, and Frank Bessley. Practical Geography: Exercises with Modles and Improvised Equipment. Macmillan, 1964.
Warning: These citations may not always be 100% accurate.