Ittenbach, M. (1975). Thüringer Wald. Brockhaus.
Cita Chicago (17th ed.)Ittenbach, Max. Thüringer Wald. Leipzig: Brockhaus, 1975.
Cita MLA (8th ed.)Ittenbach, Max. Thüringer Wald. Brockhaus, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.