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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNew Orleans Academy of Ophthalmology. Annual Symposium, Inc ebrary, Robert J. Balkan, George S. Ellis, और H. Sprague Eustis. At the Crossings: Pediatric Ophthalmology and Strabismus. The Hague, The Netherlands: Kugler Publications, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNew Orleans Academy of Ophthalmology. Annual Symposium, et al. At the Crossings: Pediatric Ophthalmology and Strabismus. Kugler Publications, 2004.
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