Cita APA (7th ed.)
Worthing, M. G. (1978). Elements of music: A Programmed Approach. Brown.
Cita Chicago (17th ed.)
Worthing, Michelle G. Elements of Music: A Programmed Approach. Iowa: Brown, 1978.
Cita MLA (9th ed.)
Worthing, Michelle G. Elements of Music: A Programmed Approach. Brown, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.