H. Douglas Brown. (1999). Voyages 3. White Plains, NY: Longman.
Chicago Style aipamenaH. Douglas Brown. Voyages 3. White Plains, NY: Longman, 1999.
MLA aipamenaH. Douglas Brown. Voyages 3. White Plains, NY: Longman, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.