Marieta Petkova Gueorguieva. (2012). Editorial. Universidad Nacional Mayor de San Marcos.
Chicago Style (17th ed.) CitationMarieta Petkova Gueorguieva. Editorial. Universidad Nacional Mayor de San Marcos, 2012.
MLA (9th ed.) CitationMarieta Petkova Gueorguieva. Editorial. Universidad Nacional Mayor de San Marcos, 2012.
Warning: These citations may not always be 100% accurate.