Guerra González, A. A. (1992). How to Avoid Failures in Freshman English Presenting an Educational Program for High School Level. David, Panamá: : CRU. Chiriquí.
Citación estilo ChicagoGuerra González, Alvis Aníbal. How to Avoid Failures in Freshman English Presenting an Educational Program for High School Level. David, Panamá: : CRU. Chiriquí, 1992.
Cita MLAGuerra González, Alvis Aníbal. How to Avoid Failures in Freshman English Presenting an Educational Program for High School Level. David, Panamá: : CRU. Chiriquí, 1992.
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