Não informado. (1970). Études Internationales. Centre Quebecois de Relations Internationales, Faculte des Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Études Internationales. Québec, Canadá: Centre Quebecois de Relations Internationales, Faculte des Sciences, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Études Internationales. Centre Quebecois de Relations Internationales, Faculte des Sciences, 1970.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.