APA (7th ed.) Zitazioa
Klamkin, M. S. (1988). U.S.A. Mathematical Olympiads, 1972-1986. Mathematical Association of America.
Chicago Style (17th ed.) Zitazioa
Klamkin, Murray S. U.S.A. Mathematical Olympiads, 1972-1986. Washington, DC: Mathematical Association of America, 1988.
MLA (9th ed.) Zitazioa
Klamkin, Murray S. U.S.A. Mathematical Olympiads, 1972-1986. Mathematical Association of America, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.