APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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