Weber, F. (1947). Belwin intermediate band method. Belwin.
Cita Chicago (17th ed.)Weber, Fred. Belwin Intermediate Band Method. New York: Belwin, 1947.
Cita MLA (9th ed.)Weber, Fred. Belwin Intermediate Band Method. Belwin, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.