Não informado. (1974). History and social science teacher. Ontario History and Social Science Teachers Association.
Style de citation Chicago (17e éd.)Não informado. History and Social Science Teacher. Toronto, Canada: Ontario History and Social Science Teachers Association, 1974.
Style de citation MLA (8e éd.)Não informado. History and Social Science Teacher. Ontario History and Social Science Teachers Association, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.