Lua APA (7ú heag.)
Ling, V. (1981). The Time of the Sign: A Semiotic Interpretation of Modern Culture. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)
Ling, Vivian. The Time of the Sign: A Semiotic Interpretation of Modern Culture. Bloomington: Indiana University Press, 1981.
Lua MLA (9ú heag.)
Ling, Vivian. The Time of the Sign: A Semiotic Interpretation of Modern Culture. Indiana University Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.