APA (7e ed.) Bronvermelding
DOWNING, J. (1987). CONVERSATIONAL SKILLS TRAINING: TEACHING ADOLESCENTS WITH MENTAL RETARDATION TO BE VERBALLY ASSERTIVE.
Chicago (17e ed.) Bronvermelding
DOWNING, J. CONVERSATIONAL SKILLS TRAINING: TEACHING ADOLESCENTS WITH MENTAL RETARDATION TO BE VERBALLY ASSERTIVE. 1987.
MLA (9e ed.) Bronvermelding
DOWNING, J. CONVERSATIONAL SKILLS TRAINING: TEACHING ADOLESCENTS WITH MENTAL RETARDATION TO BE VERBALLY ASSERTIVE. 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.