Koffel, L. (1994). Teaching workplace skills: Creative ways to teach students the skills employers want. Gulf Publ.
Chicago-Zitierstil (17. Ausg.)Koffel, Linda. Teaching Workplace Skills: Creative Ways to Teach Students the Skills Employers Want. Houston, Tex: Gulf Publ, 1994.
MLA-Zitierstil (9. Ausg.)Koffel, Linda. Teaching Workplace Skills: Creative Ways to Teach Students the Skills Employers Want. Gulf Publ, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.