Kotzebue, R. v., & Kotzebue, P. v. (1984). History and genealogy of the Kotzebue familiy: Compl. from general Paul von Kotzebue's memories followed by historical data about note-worthy persons / by Rostislav von Kotzebue. Ed. Hervas.
Chicago-referens (17:e uppl.)Kotzebue, Rostislav von, och Paul von Kotzebue. History and Genealogy of the Kotzebue Familiy: Compl. from General Paul Von Kotzebue's Memories Followed by Historical Data About Note-worthy Persons / by Rostislav Von Kotzebue. Paris: Ed. Hervas, 1984.
MLA-referens (8:e uppl.)Kotzebue, Rostislav von, och Paul von Kotzebue. History and Genealogy of the Kotzebue Familiy: Compl. from General Paul Von Kotzebue's Memories Followed by Historical Data About Note-worthy Persons / by Rostislav Von Kotzebue. Ed. Hervas, 1984.