Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Lopatin, N. V. (2012). Some problems of the history of early Izborsk fortifications. Izdatel'stvo "Nauka".

Chicago Citation Edition Citation

Lopatin, Nikolaj Vladimirovič. Some Problems of the History of Early Izborsk Fortifications. Moskva: Izdatel'stvo "Nauka", 2012.

MLA Citation Edition Citation

Lopatin, Nikolaj Vladimirovič. Some Problems of the History of Early Izborsk Fortifications. Izdatel'stvo "Nauka", 2012.