Olewiler, N. D. (1977). Canada as a world zinc producer: Prospects to 1980. Queen's University of Belfast. Centre for Resource Studies.
Cita Chicago Style (17a ed.)Olewiler, Nancy D. Canada as a World Zinc Producer: Prospects to 1980. Kingston, Ont: Queen's University of Belfast. Centre for Resource Studies, 1977.
Cita MLA (9a ed.)Olewiler, Nancy D. Canada as a World Zinc Producer: Prospects to 1980. Queen's University of Belfast. Centre for Resource Studies, 1977.
Precaución: Estas citas no son 100% exactas.