Cita APA (7th ed.)
Ottman, R. W. (1970). Elementary harmony: Theory and practice (2d ed.). Prentice-Hall.
Cita Chicago (17th ed.)
Ottman, Robert W. Elementary Harmony: Theory and Practice. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1970.
Cita MLA (9th ed.)
Ottman, Robert W. Elementary Harmony: Theory and Practice. 2d ed. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.