Lua APA (7ú heag.)

Chapman, P. W. (1937). Workbook in occupational guidance. T.E. Smith and Company.

Lua i Stíl Chicago (17ú heag.)

Chapman, Paul W. Workbook in Occupational Guidance. Atlanta, Ga.: T.E. Smith and Company, 1937.

Lua MLA (8ú heag.)

Chapman, Paul W. Workbook in Occupational Guidance. T.E. Smith and Company, 1937.

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