Spencer, J. E., & Thomas, W. L. (1971). Asia, east by south: A cultural geography (2nd ed.). Wiley.

Spencer, J. E., and William L. Thomas. Asia, East by South: A Cultural Geography. 2nd ed. New York: Wiley, 1971.

Spencer, J. E., and William L. Thomas. Asia, East by South: A Cultural Geography. 2nd ed. Wiley, 1971.