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.