Cita APA

Goldfrank,Walter L. (1979). The world system of capitalism: Past and present. Sage Publications,INC.

Citación estilo Chicago

Goldfrank,Walter L. The World System of Capitalism: Past and Present. London: Sage Publications,INC, 1979.

Cita MLA

Goldfrank,Walter L. The World System of Capitalism: Past and Present. Sage Publications,INC, 1979.

Warning: These citations may not always be 100% accurate.