Não informado. (1975). Canadian Psychological Review. University of Calgary, Canadian Psychological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Psychological Review. Calgary, Canada: University of Calgary, Canadian Psychological Association, 1975.
Lua MLA (8ú heag.)Não informado. Canadian Psychological Review. University of Calgary, Canadian Psychological Association, 1975.
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