Zehring, J. W. (1976). Get your career in gear: How to find or change your lifework. Victor books.
Cita Chicago (17th ed.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Wheaton: Victor books, 1976.
Cita MLA (9th ed.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Victor books, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.