Não informado. (1955). Alberta Journal of Educational Research. University of Alberta, Committee on Educational Research.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Alberta Journal of Educational Research. Alberta, Canada: University of Alberta, Committee on Educational Research, 1955.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Alberta Journal of Educational Research. University of Alberta, Committee on Educational Research, 1955.
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