Não informado. (1971). Comment on Education. Ontario Institute for Studies in Education.
Citação do estilo Chicago (17ª ed.)Não informado. Comment on Education. Toronto, Canada: Ontario Institute for Studies in Education, 1971.
Citação MLA (8ª ed.)Não informado. Comment on Education. Ontario Institute for Studies in Education, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.