Keith, N. W., & Keith, N. Z. (1988). New perspectives on social class and socioeconomic development in the periphery. Greenwood Press.
Cita Chicago (17th ed.)Keith, Nelson W., i Novella Zett Keith. New Perspectives on Social Class and Socioeconomic Development in the Periphery. New York: Greenwood Press, 1988.
Cita MLA (8th ed.)Keith, Nelson W., i Novella Zett Keith. New Perspectives on Social Class and Socioeconomic Development in the Periphery. Greenwood Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.