Seminar on New Product Development Barcelona. (1991). Seminar on New Product Development: Barcelona (Spain), 28th - 30th November 1990. ESOMAR.
Chicago-Zitierstil (17. Ausg.)Seminar on New Product Development Barcelona. Seminar on New Product Development: Barcelona (Spain), 28th - 30th November 1990. Amsterdam: ESOMAR, 1991.
MLA-Zitierstil (9. Ausg.)Seminar on New Product Development Barcelona. Seminar on New Product Development: Barcelona (Spain), 28th - 30th November 1990. ESOMAR, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.