Παραπομπή APA

Cleland, C. c., & Swartz, J. (1969). Mental retardations: Approaches to institutional change. Crune & Starton.

Παραπομπή Chicago Style

Cleland, Charles carr, και J.D Swartz. Mental Retardations: Approaches to Institutional Change. London: Crune & Starton, 1969.

Παραπομπή MLA

Cleland, Charles carr, και J.D Swartz. Mental Retardations: Approaches to Institutional Change. Crune & Starton, 1969.