Hardcastle, I. H. (1980). Franz Thierfelder: 1896 - 1963: His life and his legacy.
Chicago-Zitierstil (17. Ausg.)Hardcastle, Irene Helms. Franz Thierfelder: 1896 - 1963: His Life and His Legacy. Dallas, 1980.
MLA-Zitierstil (9. Ausg.)Hardcastle, Irene Helms. Franz Thierfelder: 1896 - 1963: His Life and His Legacy. 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.