Gassner, M. E. (2006). Investigating the long-term impact of adventure education: A retrospective study of Outward Bound Singapore's Classic 21-day Challenge course. University of Minnesota.
Chicago Style (17th ed.) CitationGassner, Michael Erwin. Investigating the Long-term Impact of Adventure Education: A Retrospective Study of Outward Bound Singapore's Classic 21-day Challenge Course. Minnesota: University of Minnesota, 2006.
MLA (8th ed.) CitationGassner, Michael Erwin. Investigating the Long-term Impact of Adventure Education: A Retrospective Study of Outward Bound Singapore's Classic 21-day Challenge Course. University of Minnesota, 2006.
Warning: These citations may not always be 100% accurate.