Lua APA (7ú heag.)
ebrary, Inc, Wildgen, W., & Brandt, P. A. (2010). Semiosis and catastrophes: René Thom's semiotic heritage. Peter Lang.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Wolfgang Wildgen, agus Per Aage Brandt. Semiosis and Catastrophes: René Thom's Semiotic Heritage. Bern ; New York: Peter Lang, 2010.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Semiosis and Catastrophes: René Thom's Semiotic Heritage. Peter Lang, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.