Cita APA

Thoman, R. S. (1962). The geography of economic activity: An introductory world survey (1a. ed.). New York: McGraw-Hill.

Citación estilo Chicago

Thoman, Richard S. The Geography of Economic Activity: An Introductory World Survey. 1a. ed. New York: McGraw-Hill, 1962.

Cita MLA

Thoman, Richard S. The Geography of Economic Activity: An Introductory World Survey. 1a. ed. New York: McGraw-Hill, 1962.