Não informado. (1984). AOSTRA Journal of Research. Alberta Oil Sands Technology and Research Authority.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. AOSTRA Journal of Research. Edmonton, Canada: Alberta Oil Sands Technology and Research Authority, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. AOSTRA Journal of Research. Alberta Oil Sands Technology and Research Authority, 1984.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.