Jorna, R. J., Heusden, B. v., & Posner, R. (1993, May 23). Signs, search and communication. Grundlagen der Kommunikation und Kognition = Foundations of communication and cognition.
Chicago Style CitationJorna, Rene J., Barend van Heusden, and Roland Posner. "Signs, Search and Communication." Grundlagen Der Kommunikation Und Kognition = Foundations of Communication and Cognition 23 May. 1993.
MLA CitationJorna, Rene J., Barend van Heusden, and Roland Posner. "Signs, Search and Communication." Grundlagen Der Kommunikation Und Kognition = Foundations of Communication and Cognition 23 May. 1993.
Warning: These citations may not always be 100% accurate.