Cita APA (7th ed.)

Cruickshank, W. M., & Johnson, G. O. (1975). Education of exceptional children and youth (3d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Cruickshank, William M., i G. Orville Johnson. Education of Exceptional Children and Youth. 3d ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.

Cita MLA (9th ed.)

Cruickshank, William M., i G. Orville Johnson. Education of Exceptional Children and Youth. 3d ed. Prentice-Hall, 1975.