APA-ийн эшлэл(7 дахь хэвлэлт)

New Orleans Academy of Ophthalmology. Annual Symposium, ebrary, Inc, Balkan, R. J., Ellis, G. S., & Eustis, H. S. (2004). At the crossings: Pediatric ophthalmology and strabismus. Kugler Publications.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

New Orleans Academy of Ophthalmology. Annual Symposium, Inc ebrary, Robert J. Balkan, George S. Ellis, ба H. Sprague Eustis. At the Crossings: Pediatric Ophthalmology and Strabismus. The Hague, The Netherlands: Kugler Publications, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

New Orleans Academy of Ophthalmology. Annual Symposium, et al. At the Crossings: Pediatric Ophthalmology and Strabismus. Kugler Publications, 2004.