Hickok, R. (1989). Exploring music: Student workbook and listening guide (4th ed.). W.C. Brown.
Cita Chicago (17th ed.)Hickok, Robert. Exploring Music: Student Workbook and Listening Guide. 4th ed. Dubuque: W.C. Brown, 1989.
Cita MLA (9th ed.)Hickok, Robert. Exploring Music: Student Workbook and Listening Guide. 4th ed. W.C. Brown, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.