APA (7e ed.) Bronvermelding
Heath, E. J. (1970). The mentally retarded student and guidance. Houghton Mifflin.
Chicago (17e ed.) Bronvermelding
Heath, Earl J. The Mentally Retarded Student and Guidance. Boston: Houghton Mifflin, 1970.
MLA (9e ed.) Bronvermelding
Heath, Earl J. The Mentally Retarded Student and Guidance. Houghton Mifflin, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.