Langston, D. P. (1996). Manual of ocular diagnosis and therapy (4th ed.). Little Brown.
Čikaški stil citiranja (17. izdanje)Langston, Deborah P. Manual of Ocular Diagnosis and Therapy. 4th ed. Boston, MA: Little Brown, 1996.
MLA način citiranja (9. izdanje)Langston, Deborah P. Manual of Ocular Diagnosis and Therapy. 4th ed. Little Brown, 1996.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.