(1976). The Opium war. Foreign Languages.
Chicago Style (17th ed.) ZitazioaThe Opium War. Peking: Foreign Languages, 1976.
MLA (9th ed.) ZitazioaThe Opium War. Foreign Languages, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1976). The Opium war. Foreign Languages.
Chicago Style (17th ed.) ZitazioaThe Opium War. Peking: Foreign Languages, 1976.
MLA (9th ed.) ZitazioaThe Opium War. Foreign Languages, 1976.