Morris, C. W. (1964). Signification and significance: A study of the relations of signs and values. Massachusetts Institute of Technology.
Cita Chicago Style (17a ed.)Morris, Charles William. Signification and Significance: A Study of the Relations of Signs and Values. Cambridge, Massachusetts: Massachusetts Institute of Technology, 1964.
Cita MLA (9a ed.)Morris, Charles William. Signification and Significance: A Study of the Relations of Signs and Values. Massachusetts Institute of Technology, 1964.
警告：這些引文格式不一定是100％准確.