APA (7. basım) Alıntı
United States of America, Department of Health Education and Welfare. (1959). Preparation of a mentally retarded youth for gainful employment.
Chicago Style (17. basım) Atıf
United States of America, Department of Health Education and Welfare. Preparation of a Mentally Retarded Youth for Gainful Employment. 1959.
MLA (9th ed.) Atıf
United States of America, Department of Health Education and Welfare. Preparation of a Mentally Retarded Youth for Gainful Employment. 1959.
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