Stoĭkov, G. I., ̊Karadzhov, I., & ̊Kabzamalov, N. (1954). Boyana Church. [Bulgarian Academy of Science, Town Planning and Architecture Institute].
Chicago-referens (17:e uppl.)Stoĭkov, Georgi I., Ivan ̊Karadzhov, och Neno ̊Kabzamalov. Boyana Church. Sofia: [Bulgarian Academy of Science, Town Planning and Architecture Institute], 1954.
MLA-referens (8:e uppl.)Stoĭkov, Georgi I., et al. Boyana Church. [Bulgarian Academy of Science, Town Planning and Architecture Institute], 1954.
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