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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Tschacher, 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Tschacher, 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.