Cita APA

Thoman, R. S. 1., & Thoman, R. S. 1. (1962). The Geography of economic activity: An introductiory world survey. New York, New York: McGraw-Hill.

Citación estilo Chicago

Thoman, Richard S. 1919-, y Richard S. 1919- Thoman. The Geography of Economic Activity: An Introductiory World Survey. New York, New York: McGraw-Hill, 1962.

Cita MLA

Thoman, Richard S. 1919-, y Richard S. 1919- Thoman. The Geography of Economic Activity: An Introductiory World Survey. New York, New York: McGraw-Hill, 1962.