Morris, C. W. (1946). Signs, language and behavior. G. Braziller.
Cita Chicago (17th ed.)Morris, Charles W. Signs, Language and Behavior. New York: G. Braziller, 1946.
Cita MLA (8th ed.)Morris, Charles W. Signs, Language and Behavior. G. Braziller, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.