Principles of semiotics.

MLA

Clarke, D.S. Principles of Semiotics. [S.l.]: Routledge & Kegan Paul, 1987.

APA

Clarke, D. (1987). Principles of semiotics. [S.l.]: Routledge & Kegan Paul.

Chicago

Clarke, D.S. Principles of Semiotics. [S.l.]: Routledge & Kegan Paul, 1987.