Orenstein, A., & Phillips, W. R. F. (1978). Understanding social research: An introduction. Allyn and Bacon.
Cita Chicago Style (17a ed.)Orenstein, Alan, y William R. F. Phillips. Understanding Social Research: An Introduction. Boston, Mass.: Allyn and Bacon, 1978.
Cita MLA (9a ed.)Orenstein, Alan, y William R. F. Phillips. Understanding Social Research: An Introduction. Allyn and Bacon, 1978.
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