Gordon, E. E., Petrini, C. M., & Campagna, A. P. (1997). Opportunities in training & development careers. VGM Career Horizons.
Citace podle Chicago (17th ed.)Gordon, Edward E., Catherine M. Petrini, a Ann P. Campagna. Opportunities in Training & Development Careers. Lincolnwood, Ill: VGM Career Horizons, 1997.
Citace podle MLA (9th ed.)Gordon, Edward E., et al. Opportunities in Training & Development Careers. VGM Career Horizons, 1997.
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