Lua APA (7ú heag.)

Tredgold, A. F. (1922). Mental deficiency (amentia) (4th ed., rev. and enl.). William Wood.

Lua i Stíl Chicago (17ú heag.)

Tredgold, Alfred Frank. Mental Deficiency (amentia). 4th ed., rev. and enl. New York: William Wood, 1922.

Lua MLA (8ú heag.)

Tredgold, Alfred Frank. Mental Deficiency (amentia). 4th ed., rev. and enl. William Wood, 1922.

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