Eden, C., Jones, S., & Sims, D. (1983). Messing about in problems: An informal structured approach to their identification and management (1. ed.). Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Eden, Colin, Sue Jones, und David Sims. Messing About in Problems: An Informal Structured Approach to Their Identification and Management. 1. ed. Oxford [u.a.]: Pergamon Press, 1983.
MLA-Zitierstil (9. Ausg.)Eden, Colin, et al. Messing About in Problems: An Informal Structured Approach to Their Identification and Management. 1. ed. Pergamon Press, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.