Forrester, G. (1951). Methods of vocational guidance. D. C. Heath and Company.
Chicago-čujuhus (17. p.)Forrester, Gertrude. Methods of Vocational Guidance. Boston: D. C. Heath and Company, 1951.
MLA-čujuhus (9. p.)Forrester, Gertrude. Methods of Vocational Guidance. D. C. Heath and Company, 1951.
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