Heath, E. J. (1970). The mentally retarded student and guidance. Houghton Mifflin.
Čikaški stil citiranja (17. izdanje)Heath, Earl J. The Mentally Retarded Student and Guidance. Boston: Houghton Mifflin, 1970.
MLA način citiranja (9. izdanje)Heath, Earl J. The Mentally Retarded Student and Guidance. Houghton Mifflin, 1970.
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