Não informado. (1970). Polish Psychological Bulletin. Polish Academy of Sciences, Committee for Psychological Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Polish Psychological Bulletin. Warsaw: Polish Academy of Sciences, Committee for Psychological Sciences, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Polish Psychological Bulletin. Polish Academy of Sciences, Committee for Psychological Sciences, 1970.
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