Dyfyniad APA

Portes, A., & Walton, J. (1981). Labor, class, and the international system. Academic Press.

Dyfyniad Arddull Chicago

Portes, Alejandro, and John Walton. Labor, Class, and the International System. New York: Academic Press, 1981.

Dyfyniad MLA

Portes, Alejandro, and John Walton. Labor, Class, and the International System. Academic Press, 1981.

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