El resumen. [publisher not identified].
Chicago Style aipamenaEl Resumen. Manila: [publisher not identified].
MLA aipamenaEl Resumen. [publisher not identified].
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
El resumen. [publisher not identified].
Chicago Style aipamenaEl Resumen. Manila: [publisher not identified].
MLA aipamenaEl Resumen. [publisher not identified].