Lock, C. M. (1972). Geography: A reference hand book (2nd ed.). Clive Bingley.
Citación estilo ChicagoLock, C.B. Muriel. Geography: A Reference Hand Book. 2nd ed. London: Clive Bingley, 1972.
Cita MLALock, C.B. Muriel. Geography: A Reference Hand Book. 2nd ed. Clive Bingley, 1972.
Warning: These citations may not always be 100% accurate.