Dyfyniad APA

Lauer, R. H., & Lauer, J. C. Social problems and the quality of life (Fourteenth edition.).

Dyfyniad Arddull Chicago

Lauer, Robert H., and Jeanette C. Lauer. Social Problems and the Quality of Life. Fourteenth edition.

Dyfyniad MLA

Lauer, Robert H., and Jeanette C. Lauer. Social Problems and the Quality of Life. Fourteenth edition.

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