Canada. Department of Health & MacMurchy, H. (1923). Handbook of child welfare work in Canada, for the year ended March 31, 1922. F.A. Acland.
Lua i Stíl Chicago (17ú heag.)Canada. Department of Health agus Helen MacMurchy. Handbook of Child Welfare Work in Canada, for the Year Ended March 31, 1922. Ottawa: F.A. Acland, 1923.
Lua MLA (8ú heag.)Canada. Department of Health agus Helen MacMurchy. Handbook of Child Welfare Work in Canada, for the Year Ended March 31, 1922. F.A. Acland, 1923.
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