Carnap, R. On the character of philosophical problems: Rudolf Carnap. The linguistic turn : essays in philosophical method ; with two retrospective essays.(1992).
Chicago-referens (17:e uppl.)Carnap, Rudolf. "On the Character of Philosophical Problems: Rudolf Carnap." The Linguistic Turn : Essays in Philosophical Method ; with Two Retrospective Essays.(1992) .
MLA-referens (8:e uppl.)Carnap, Rudolf. "On the Character of Philosophical Problems: Rudolf Carnap." The Linguistic Turn : Essays in Philosophical Method ; with Two Retrospective Essays.(1992), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.