Tschacher, H. (2009). PaperArt: 173 international artists / publisher: IAPMA International Association of Hand Papermakers and Paper Artists ; editor: Helene Tschacher. IAPMA International Association of Hand Papermakers and Paper Artists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTschacher, Helene. PaperArt: 173 International Artists / Publisher: IAPMA International Association of Hand Papermakers and Paper Artists ; Editor: Helene Tschacher. [Bremen]: IAPMA International Association of Hand Papermakers and Paper Artists, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTschacher, Helene. PaperArt: 173 International Artists / Publisher: IAPMA International Association of Hand Papermakers and Paper Artists ; Editor: Helene Tschacher. IAPMA International Association of Hand Papermakers and Paper Artists, 2009.