Gittinger, J. W. (1988). Manual of clinical problems in ophamology. Little, Brown.
Citazione stile Chigago Style (17a edizione)Gittinger, John W. Manual of Clinical Problems in Ophamology. Little, Brown, 1988.
Citatione MLA (9a ed.)Gittinger, John W. Manual of Clinical Problems in Ophamology. Little, Brown, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.