Zehring, J. W. (1976). Get your career in gear: How to find or change your lifework. Victor books.
Citace podle Chicago (17th ed.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Wheaton: Victor books, 1976.
Citace podle MLA (9th ed.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Victor books, 1976.
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