Citazione APA

Stoĭkov, G. I., ̊Karadzhov, I., & ̊Kabzamalov, N. (1954). Boyana Church. [Bulgarian Academy of Science, Town Planning and Architecture Institute].

Stile di citazione Chicago

Stoĭkov, Georgi I., Ivan ̊Karadzhov, e Neno ̊Kabzamalov. Boyana Church. Sofia: [Bulgarian Academy of Science, Town Planning and Architecture Institute], 1954.

Citazione MLA

Stoĭkov, Georgi I., et al. Boyana Church. [Bulgarian Academy of Science, Town Planning and Architecture Institute], 1954.