Cita APA (7th ed.)
Robertson, W. C., & Diskin, B. (2003). Sound. NSTA Press.
Cita Chicago (17th ed.)
Robertson, William C., i Brian Diskin. Sound. Arlington, Va.: NSTA Press, 2003.
Cita MLA (9th ed.)
Robertson, William C., i Brian Diskin. Sound. NSTA Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.