Zehring, J. W. (1976). Get your career in gear: How to find or change your lifework. Victor books.
Chicago-referens (17:e uppl.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Wheaton: Victor books, 1976.
MLA-referens (9:e uppl.)Zehring, John William. Get Your Career in Gear: How to Find or Change Your Lifework. Victor books, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.