Vaughan, D., Asbury, T., & Riordan-Eva, P. (1999). General ophthalmology (15th ed.). Appleton & Lange.
Cita Chicago (17th ed.)Vaughan, Daniel, Taylor Asbury, i Paul Riordan-Eva. General Ophthalmology. 15th ed. Stamford, CT: Appleton & Lange, 1999.
Cita MLA (9th ed.)Vaughan, Daniel, et al. General Ophthalmology. 15th ed. Appleton & Lange, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.