Liungman, C. G. (1995). Thought signs: The semiotics of symbols - western non-pictorial ideograms. IOS Press.
Chicago Style (17th ed.) CitationLiungman, Carl G. Thought Signs: The Semiotics of Symbols - Western Non-pictorial Ideograms. Amsterdam: IOS Press, 1995.
MLA (9th ed.) CitationLiungman, Carl G. Thought Signs: The Semiotics of Symbols - Western Non-pictorial Ideograms. IOS Press, 1995.
Warning: These citations may not always be 100% accurate.