APA citiranje
KOEGEL, R., & ET AL. (1989). PRODUCING SPEECH USE IN NONVERBAL AUTISTIC CHILDREN BY REINFORCING ATTEMPTS.
Chicago Style (17th ed.) Citation
KOEGEL, R.L, and ET AL. PRODUCING SPEECH USE IN NONVERBAL AUTISTIC CHILDREN BY REINFORCING ATTEMPTS. 1989.
MLA citiranje
KOEGEL, R.L, and ET AL. PRODUCING SPEECH USE IN NONVERBAL AUTISTIC CHILDREN BY REINFORCING ATTEMPTS. 1989.
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