APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Shields, M. B., & Spaeth, G. L. (2010). The American Glaucoma Society: Its founding and first 25 years. Kugler Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, M. Bruce Shields, और George L. Spaeth. The American Glaucoma Society: Its Founding and First 25 Years. Amsterdam, The Netherlands: Kugler Publications, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. The American Glaucoma Society: Its Founding and First 25 Years. Kugler Publications, 2010.
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