Bessy, M. R. (1972). The Kostić methodology for speech and language of hearing-impaired children: The Kostić methodology for speech and language of hearing-impaired children : instrumentation, psychological and linguistic principles. Superior: University of Wisconsin.
Chicago stil citiranjaBessy, Michael R. The Kostić methodology for speech and language of hearing-impaired children: The Kostić methodology for speech and language of hearing-impaired children : instrumentation, psychological and linguistic principles. Superior: University of Wisconsin, 1972.
MLA stil citiranjaBessy, Michael R. The Kostić methodology for speech and language of hearing-impaired children: The Kostić methodology for speech and language of hearing-impaired children : instrumentation, psychological and linguistic principles. Superior: University of Wisconsin, 1972.