Graves, K., & Rein, D. p. East west. workbook 1A.
Chicago Style aipamenaGraves, Kathleen, and David páginas Rein. East West. Workbook 1A.
MLA aipamenaGraves, Kathleen, and David páginas Rein. East West. Workbook 1A.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.