Não informado. (1950). Finnish paper and timber. Central Association of Finnish Woodworking Industries.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Finnish Paper and Timber. Helsinki: Central Association of Finnish Woodworking Industries, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Finnish Paper and Timber. Central Association of Finnish Woodworking Industries, 1950.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.