Hummel, M. (1995). Protecting canada's endangered spaces: An owner's manual.
Chicago ZitierstilHummel, Monte. Protecting Canada's Endangered Spaces: An Owner's Manual. Key Porter Books, 1995.
MLA ZitierstilHummel, Monte. Protecting Canada's Endangered Spaces: An Owner's Manual. 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.