Cita APA (7a ed.)
Andrew, D. Around the World Program: Bulgaria and Romania. Doubleday.
Cita estilo Chicago (17a ed.)
Andrew, D.D. Around the World Program: Bulgaria and Romania. Nueva York, EUA: Doubleday.
Cita MLA (9a ed.)
Andrew, D.D. Around the World Program: Bulgaria and Romania. Doubleday.
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