Cita APA (7th ed.)
Liu, K. (2000). Semiotics in information systems development. Cambridge University Press.
Cita Chicago (17th ed.)
Liu, Kecheng. Semiotics in Information Systems Development. Cambridge ; New York: Cambridge University Press, 2000.
Cita MLA (9th ed.)
Liu, Kecheng. Semiotics in Information Systems Development. Cambridge University Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.