Tohutoro APA (7th ed.)
U.S. Department of Labor. (1964). The mentally Retarded: Their special trainings needs. U.S. Department of Labor.
Tohutoru Kātū Chicago (17th ed.)
U.S. Department of Labor. The Mentally Retarded: Their Special Trainings Needs. Washington: U.S. Department of Labor, 1964.
Tohutoro MLA (9th ed.)
U.S. Department of Labor. The Mentally Retarded: Their Special Trainings Needs. U.S. Department of Labor, 1964.
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