ebrary, Inc, & Massey, D. S. (1987). Return to Aztlan: The social process of international migration from western Mexico. University of California Press.

ebrary, Inc, and Douglas S. Massey. Return to Aztlan: The Social Process of International Migration from Western Mexico. Berkeley: University of California Press, 1987.

ebrary, Inc, and Douglas S. Massey. Return to Aztlan: The Social Process of International Migration from Western Mexico. University of California Press, 1987.