Hornung, O. (2007). The early postal history of Carpatho-Ukraine: With particular reference to the usage of the first postage stamps of Austria. Czechoslavak Philatelic Society of Great Britain.
Chicago-Zitierstil (17. Ausg.)Hornung, Otto. The Early Postal History of Carpatho-Ukraine: With Particular Reference to the Usage of the First Postage Stamps of Austria. Bray: Czechoslavak Philatelic Society of Great Britain, 2007.
MLA-Zitierstil (9. Ausg.)Hornung, Otto. The Early Postal History of Carpatho-Ukraine: With Particular Reference to the Usage of the First Postage Stamps of Austria. Czechoslavak Philatelic Society of Great Britain, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.