Hardenberg, K. F. (1934). Hessenland. Velhagen & Klasing.
Chicagoスタイル(17版)引用形式Hardenberg, Kuno Ferdinand. Hessenland. Bielefeld, Leipzig: Velhagen & Klasing, 1934.
MLA(8版)引用形式Hardenberg, Kuno Ferdinand. Hessenland. Velhagen & Klasing, 1934.
警告: この引用は必ずしも正確ではありません.