Polak, E. J. (1993). Medieval and Renaissance letter treatises and form letters: A census of manuscripts found in Eastern Europe and the former U.S.S.R. Brill.
Chicago-Zitierstil (17. Ausg.)Polak, Emil J. Medieval and Renaissance Letter Treatises and Form Letters: A Census of Manuscripts Found in Eastern Europe and the Former U.S.S.R. Leiden [u.a.]: Brill, 1993.
MLA-Zitierstil (9. Ausg.)Polak, Emil J. Medieval and Renaissance Letter Treatises and Form Letters: A Census of Manuscripts Found in Eastern Europe and the Former U.S.S.R. Brill, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.