APA (7 ম সংস্করণ) উদ্ধৃতি

Opfer-Klinger, B. Bulgaria's collaboration with the Axis Powers in World War II. Complicated complicity : european collaboration with Nazi Germany during World War II.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Opfer-Klinger, Björn. "Bulgaria's Collaboration with the Axis Powers in World War II." Complicated Complicity : European Collaboration with Nazi Germany During World War II .

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Opfer-Klinger, Björn. "Bulgaria's Collaboration with the Axis Powers in World War II." Complicated Complicity : European Collaboration with Nazi Germany During World War II, .