Lua APA (7ú heag.)

Haarmann, H. The development of sign conceptions in the evolution of human cultures: Harald Haarmann. [Semiotik, 1].(1997).

Lua i Stíl Chicago (17ú heag.)

Haarmann, Harald. "The Development of Sign Conceptions in the Evolution of Human Cultures: Harald Haarmann." [Semiotik, 1].(1997) .

Lua MLA (8ú heag.)

Haarmann, Harald. "The Development of Sign Conceptions in the Evolution of Human Cultures: Harald Haarmann." [Semiotik, 1].(1997), .

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