Não informado. (2010). Economic Journal of Hokkaido University. Hokkaido University, Graduate School of Economics and Business Administratio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Economic Journal of Hokkaido University. Sapporo, Japão: Hokkaido University, Graduate School of Economics and Business Administratio, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Economic Journal of Hokkaido University. Hokkaido University, Graduate School of Economics and Business Administratio, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.