APA (7th ed.) Zitazioa
Langwill, L. G. (1971). The bassoon and contrabassoon. E. Benn; W. W. Norton.
Chicago Style (17th ed.) Zitazioa
Langwill, Lyndesay Graham. The Bassoon and Contrabassoon. London : New York: E. Benn; W. W. Norton, 1971.
MLA (9th ed.) Zitazioa
Langwill, Lyndesay Graham. The Bassoon and Contrabassoon. E. Benn; W. W. Norton, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.