Cita APA (7th ed.)

Hill, T. B., & Verco, D. J. A. (1937). The classification and education of mentally handicapped children in various countries. Melbourne University Press.

Cita Chicago (17th ed.)

Hill, Thomas B., i D. J. A. Verco. The Classification and Education of Mentally Handicapped Children in Various Countries. Melbourne: Melbourne University Press, 1937.

Cita MLA (8th ed.)

Hill, Thomas B., i D. J. A. Verco. The Classification and Education of Mentally Handicapped Children in Various Countries. Melbourne University Press, 1937.