Gittinger, J. W. (1988). Manual of clinical problems in ophamology. Little, Brown.
Cita Chicago (17th ed.)Gittinger, John W. Manual of Clinical Problems in Ophamology. Little, Brown, 1988.
Cita MLA (9th ed.)Gittinger, John W. Manual of Clinical Problems in Ophamology. Little, Brown, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.