Hänvisningar gällande denna post

APA-referens (7:e uppl.)
Hughes, J. W. (2007). Environmental problem solving: A how-to guide. University of Vermont Press ; Published by University Press of New England.
Chicago-referens (17:e uppl.)
Hughes, Jeffrey W. Environmental Problem Solving: A How-to Guide. Burlington, VT : Hanover: University of Vermont Press ; Published by University Press of New England, 2007.
MLA-referens (9:e uppl.)
Hughes, Jeffrey W. Environmental Problem Solving: A How-to Guide. University of Vermont Press ; Published by University Press of New England, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.