Conference on Problems of the Deaf and Hard of Hearing Washington, D.C., National Research Council (U.S.). Division of Anthropology and Psychology, & National Research Council (U.S.). (1929). Research recommendations of the second Conference on Problems of the Deaf and Hard of Hearing, Washington, D.C., February 1 and 2, 1929. Division of Anthropology and Psychology of the National Research Council.
Чикаго стиль цитування (17-те видання)Conference on Problems of the Deaf and Hard of Hearing Washington, D.C., National Research Council (U.S.). Division of Anthropology and Psychology, та National Research Council (U.S.). Research Recommendations of the Second Conference on Problems of the Deaf and Hard of Hearing, Washington, D.C., February 1 and 2, 1929. Washington, D.C.: Division of Anthropology and Psychology of the National Research Council, 1929.
Стиль цитування MLA (9-ме видання)Conference on Problems of the Deaf and Hard of Hearing Washington, D.C., et al. Research Recommendations of the Second Conference on Problems of the Deaf and Hard of Hearing, Washington, D.C., February 1 and 2, 1929. Division of Anthropology and Psychology of the National Research Council, 1929.