APA цитиране

The Lower Danube Roman Limes 1 st - 6 th c. AD, Lyudmil, V., & etc. (2012). The Lower Danube Roman Limes (1 st - 6 th c. AD). Sofia: Nacional Archeological Institute with Museum.

Чикагска система за цитиране

The Lower Danube Roman Limes 1 st - 6 th c. AD, Vagalinski Lyudmil, и etc. The Lower Danube Roman Limes (1 St - 6 Th C. AD). Sofia: Nacional Archeological Institute with Museum, 2012.

MLA формат за цитиране

The Lower Danube Roman Limes 1 st - 6 th c. AD, Vagalinski Lyudmil, и etc. The Lower Danube Roman Limes (1 St - 6 Th C. AD). Sofia: Nacional Archeological Institute with Museum, 2012.