APA-referens (7:e uppl.)

Newell, F. W. (1996). Ophthalmology: Principles and concepts (8th ed.). Merriam & Webster.

Chicago-referens (17:e uppl.)

Newell, Frank W. Ophthalmology: Principles and Concepts. 8th ed. Sampaloc, Manila: Merriam & Webster, 1996.

MLA-referens (9:e uppl.)

Newell, Frank W. Ophthalmology: Principles and Concepts. 8th ed. Merriam & Webster, 1996.