Benjamin, W. J., & Borish, I. M. (2006). Borish's clinical refraction (2a. ed.). Butterworth Heinemann.
Cita Chicago (17th ed.)Benjamin, William J., i Irvin M. Borish. Borish's Clinical Refraction. 2a. ed. Saint Louis: Butterworth Heinemann, 2006.
Cita MLA (9th ed.)Benjamin, William J., i Irvin M. Borish. Borish's Clinical Refraction. 2a. ed. Butterworth Heinemann, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.