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

APA Zitierstil

Popović, M., & Kavran, O. (1991). The fortress of Belgrade. Beograd: Institute for the Protection of Cultural Monuments of Belgrade.

Chicago Zitierstil

Popović, Marko., and Olga Kavran. The Fortress of Belgrade. Beograd: Institute for the Protection of Cultural Monuments of Belgrade, 1991.

MLA Zitierstil

Popović, Marko., and Olga Kavran. The Fortress of Belgrade. Beograd: Institute for the Protection of Cultural Monuments of Belgrade, 1991.