Conan, A. (1966). Problem of sterling. St.martine's.
Chicago Style aipamenaConan, A.R. Problem of Sterling. New York: St.martine's, 1966.
MLA aipamenaConan, A.R. Problem of Sterling. St.martine's, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.