APA (7e ed.) Bronvermelding
FERGUSON, B., & ET AL. (1994). TYPE AND FREQUENCY OF SOCIAL INTERACTION AMONG WORKERS WITH AND WITHOUT MENTAL RETARDATION.
Chicago (17e ed.) Bronvermelding
FERGUSON, B., en ET AL. TYPE AND FREQUENCY OF SOCIAL INTERACTION AMONG WORKERS WITH AND WITHOUT MENTAL RETARDATION. 1994.
MLA (9e ed.) Bronvermelding
FERGUSON, B., en ET AL. TYPE AND FREQUENCY OF SOCIAL INTERACTION AMONG WORKERS WITH AND WITHOUT MENTAL RETARDATION. 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.