Não informado. (1972). Bulletin of the Section of Logic. Polish Academy of Sciences, Institute of Philosophy and Sociology.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the Section of Logic. Warszawa: Polish Academy of Sciences, Institute of Philosophy and Sociology, 1972.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the Section of Logic. Polish Academy of Sciences, Institute of Philosophy and Sociology, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.