ViC 2009 Bordeaux, Aquitaine, France, SpringerLink (Online service), European Summer School in Logic, Language, and Information, & Nouwen, R. (2011). Vagueness in communication: International workshop, ViC 2009, held as part of ESSLLI 2009, Bordeaux, France, July 20-24, 2009 : revised selected papers. Springer. https://doi.org/10.1007/978-3-642-18446-8
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিViC 2009 Bordeaux, Aquitaine, France, SpringerLink (Online service), Language European Summer School in Logic, এবং Rick Nouwen. Vagueness in Communication: International Workshop, ViC 2009, Held as Part of ESSLLI 2009, Bordeaux, France, July 20-24, 2009 : Revised Selected Papers. Berlin, Heidelberg, New York: Springer, 2011. https://doi.org/10.1007/978-3-642-18446-8.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিViC 2009 Bordeaux, Aquitaine, France, et al. Vagueness in Communication: International Workshop, ViC 2009, Held as Part of ESSLLI 2009, Bordeaux, France, July 20-24, 2009 : Revised Selected Papers. Springer, 2011. https://doi.org/10.1007/978-3-642-18446-8.