Não informado. (1973). Yearbook of finnish foreign policy. Finnish Institute of International Affairs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Yearbook of Finnish Foreign Policy. Helsinki: Finnish Institute of International Affairs, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Yearbook of Finnish Foreign Policy. Finnish Institute of International Affairs, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.