Wegmann, P., & Russell, M. (1993). Caspar David Friedrich to Ferdinand Hodler: a romantic tradition: Nineteenth-century paintings and drawings from the Oskar Reinhart Foundation, Winterthur; [exhibition tour: Alte Nationalgalerie Berlin, 14 May - 12 September 1993, Los Angeles County Museum of Art, 30 September 1993 - 2 January 1994 ] / Peter Wegmann Ed. and transl. from the German by Margarita Russell. Los Angeles County Museum of Art (1. Aufl.). Insel Verl..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWegmann, Peter, এবং Margarita Russell. Caspar David Friedrich to Ferdinand Hodler: A Romantic Tradition: Nineteenth-century Paintings and Drawings from the Oskar Reinhart Foundation, Winterthur; [exhibition Tour: Alte Nationalgalerie Berlin, 14 May - 12 September 1993, Los Angeles County Museum of Art, 30 September 1993 - 2 January 1994 ] / Peter Wegmann Ed. and Transl. from the German by Margarita Russell. Los Angeles County Museum of Art. 1. Aufl. Frankfurt am Main [u.a.]: Insel Verl., 1993.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWegmann, Peter, এবং Margarita Russell. Caspar David Friedrich to Ferdinand Hodler: A Romantic Tradition: Nineteenth-century Paintings and Drawings from the Oskar Reinhart Foundation, Winterthur; [exhibition Tour: Alte Nationalgalerie Berlin, 14 May - 12 September 1993, Los Angeles County Museum of Art, 30 September 1993 - 2 January 1994 ] / Peter Wegmann Ed. and Transl. from the German by Margarita Russell. Los Angeles County Museum of Art. 1. Aufl. Insel Verl., 1993.