Não informado. (1965). Status report on speech research. National Institute of Child Health and Human Development, Haskins Laboratories.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Status Report on Speech Research. Springfield, Va: National Institute of Child Health and Human Development, Haskins Laboratories, 1965.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Status Report on Speech Research. National Institute of Child Health and Human Development, Haskins Laboratories, 1965.
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