Van Fleet, J. K. (1984). Lifetime Conversation Guide (ed.). Prentice-Hall.
Chicago Style (17th ed.) ZitazioaVan Fleet, James K. Lifetime Conversation Guide. ed. New Jersey: Prentice-Hall, 1984.
MLA (9th ed.) ZitazioaVan Fleet, James K. Lifetime Conversation Guide. ed. Prentice-Hall, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.