Citace podle APA (7th ed.)
HAYES, T., & HAYES, J. (1987). THE PRAGMATIC PRACTITIONER: PIAGETIAN AND BEHAVIOUR TECHNIQUES IN THE TRAINING OF MENTALLY RETARDED ADULTS.
Citace podle Chicago (17th ed.)
HAYES, T., a J. HAYES. THE PRAGMATIC PRACTITIONER: PIAGETIAN AND BEHAVIOUR TECHNIQUES IN THE TRAINING OF MENTALLY RETARDED ADULTS. 1987.
Citace podle MLA (9th ed.)
HAYES, T., a J. HAYES. THE PRAGMATIC PRACTITIONER: PIAGETIAN AND BEHAVIOUR TECHNIQUES IN THE TRAINING OF MENTALLY RETARDED ADULTS. 1987.
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