Lua APA (7ú heag.)

Arnheim, R. The two sources of cognition: Rudolf Arnheim. Advances in visual semiotics : the Semiotic Web 1992 - 93.(1995).

Lua i Stíl Chicago (17ú heag.)

Arnheim, Rudolf. "The Two Sources of Cognition: Rudolf Arnheim." Advances in Visual Semiotics : The Semiotic Web 1992 - 93.(1995) .

Lua MLA (8ú heag.)

Arnheim, Rudolf. "The Two Sources of Cognition: Rudolf Arnheim." Advances in Visual Semiotics : The Semiotic Web 1992 - 93.(1995), .

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.