Não informado. (1967). Ontario Geography. University of Western Ontario, Department of Geography.
Chicago-Zitierstil (17. Ausg.)Não informado. Ontario Geography. Ontario, Canada: University of Western Ontario, Department of Geography, 1967.
MLA-Zitierstil (8. Ausg.)Não informado. Ontario Geography. University of Western Ontario, Department of Geography, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.