APA stil citiranja

Ham, S. H. (1992). Environmental interpretation: Environmental interpretation : a practical guide for people with big ideas and small budgets. Golden, Colo.: North American Press.

Chicago stil citiranja

Ham, Sam H. Environmental interpretation: Environmental interpretation : a practical guide for people with big ideas and small budgets. Golden, Colo.: North American Press, 1992.

MLA stil citiranja

Ham, Sam H. Environmental interpretation: Environmental interpretation : a practical guide for people with big ideas and small budgets. Golden, Colo.: North American Press, 1992.