APA-referens (7:e uppl.)

Neisworth, J. T., & Smith, R. 1. (1978). Retardation: Issues, assessment, and intervention. McGraw-Hill.

Chicago-referens (17:e uppl.)

Neisworth, John T., och Robert 1932 Smith. Retardation: Issues, Assessment, and Intervention. New York: McGraw-Hill, 1978.

MLA-referens (9:e uppl.)

Neisworth, John T., och Robert 1932 Smith. Retardation: Issues, Assessment, and Intervention. McGraw-Hill, 1978.