Pape, H. Peirce and his followers: Helmut Pape. [Semiotik, 2].(1998).
Chicago-Zitierstil (17. Ausg.)Pape, Helmut. "Peirce and His Followers: Helmut Pape." [Semiotik, 2].(1998) .
MLA-Zitierstil (8. Ausg.)Pape, Helmut. "Peirce and His Followers: Helmut Pape." [Semiotik, 2].(1998), .
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