Kitchens, J. A., & Estrada, L. F. (1974). Individuals in society: A modern introduction to sociology. Merrill.
Lua i Stíl Chicago (17ú heag.)Kitchens, James A., agus Leobardo F. Estrada. Individuals in Society: A Modern Introduction to Sociology. Columbus, Ohio: Merrill, 1974.
Lua MLA (9ú heag.)Kitchens, James A., agus Leobardo F. Estrada. Individuals in Society: A Modern Introduction to Sociology. Merrill, 1974.
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