Heller, F. A. e. (1959). New developments in training: Five studies in the efficient communication of skills. Polytechnic Management Association.
Chicago-Zitierstil (17. Ausg.)Heller, Frank A. ed. New Developments in Training: Five Studies in the Efficient Communication of Skills. [London]: Polytechnic Management Association, 1959.
MLA-Zitierstil (9. Ausg.)Heller, Frank A. ed. New Developments in Training: Five Studies in the Efficient Communication of Skills. Polytechnic Management Association, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.