Matenko, P., Zeydel, E. H., & Masche, B. M. (1967). Letters to and from Ludwig Tieck and His Circle: Unpublished Letters from the Period of German Romanticism Including the Unpublished Correspondence of Sophie and Ludwig Tieck. The University of North Carolina Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMatenko, Percy, Edwin H. Zeydel, এবং Bertha M. Masche. Letters to and from Ludwig Tieck and His Circle: Unpublished Letters from the Period of German Romanticism Including the Unpublished Correspondence of Sophie and Ludwig Tieck. Chapel Hill: The University of North Carolina Press, 1967.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিMatenko, Percy, et al. Letters to and from Ludwig Tieck and His Circle: Unpublished Letters from the Period of German Romanticism Including the Unpublished Correspondence of Sophie and Ludwig Tieck. The University of North Carolina Press, 1967.