APA-referens (7:e uppl.)
Hessing, M., Howlett, M., & Summerville, T. (2005). Canadian natural resource and environmental policy: Political economy and public policy (2nd ed.). UBC Press.
Chicago-referens (17:e uppl.)
Hessing, Melody, Michael Howlett, och Tracy Summerville. Canadian Natural Resource and Environmental Policy: Political Economy and Public Policy. 2nd ed. Vancouver: UBC Press, 2005.
MLA-referens (9:e uppl.)
Hessing, Melody, et al. Canadian Natural Resource and Environmental Policy: Political Economy and Public Policy. 2nd ed. UBC Press, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.