O'Neil, J. J., & Oyer, H. J. (1961). Visual communication for the hard of hearing; history, research, mehtods. Prentice - Hall.
Citace podle Chicago (17th ed.)O'Neil, John Joseph, a Herbert J. Oyer. Visual Communication for the Hard of Hearing; History, Research, Mehtods. Englewood Cliff, N.J: Prentice - Hall, 1961.
Citace podle MLA (9th ed.)O'Neil, John Joseph, a Herbert J. Oyer. Visual Communication for the Hard of Hearing; History, Research, Mehtods. Prentice - Hall, 1961.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..