Kowle, C. P., Smink, J., & Stank, P. (1982). Problem-solving process: A planner's handbook for program improvement. National Center for Research in Vocational Education.
Chicago-Zitierstil (17. Ausg.)Kowle, Carol P., Jay Smink, und Peg Stank. Problem-solving Process: A Planner's Handbook for Program Improvement. Columbus, Ohio: National Center for Research in Vocational Education, 1982.
MLA-Zitierstil (9. Ausg.)Kowle, Carol P., et al. Problem-solving Process: A Planner's Handbook for Program Improvement. National Center for Research in Vocational Education, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.