Wooldridge , . S., & East, W. . G. (1951). The spirit and purpose of geography. Hutchinson.
Citación estilo ChicagoWooldridge , S.W, and W. Gordon East. The Spirit and Purpose of Geography. London,: Hutchinson, 1951.
Cita MLAWooldridge , S.W, and W. Gordon East. The Spirit and Purpose of Geography. Hutchinson, 1951.
Warning: These citations may not always be 100% accurate.