Applebaum, S. (1960). The belwin string builder. Belwin Mills.
Chicago Style (17th ed.) ZitazioaApplebaum, Samuel. The Belwin String Builder. Nueva York: Belwin Mills, 1960.
MLA (9th ed.) ZitazioaApplebaum, Samuel. The Belwin String Builder. Belwin Mills, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.