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

APA Citation Edition Citation

Torbatov, S. (1998). The stone fortifications near Nova Černa (Bulgaria). Vavila Edinf SRL.

Chicago Citation Edition Citation

Torbatov, Sergey. The Stone Fortifications Near Nova Černa (Bulgaria). Bucharest: Vavila Edinf SRL, 1998.

MLA Citation Edition Citation

Torbatov, Sergey. The Stone Fortifications Near Nova Černa (Bulgaria). Vavila Edinf SRL, 1998.