Cita APA

Singh, L., & Singh, R. (1973). Mapwork and practical geography. Indian University Press.

Citación estilo Chicago

Singh, L.R, and R. Singh. Mapwork and Practical Geography. Allahabad: Indian University Press, 1973.

Cita MLA

Singh, L.R, and R. Singh. Mapwork and Practical Geography. Indian University Press, 1973.