Nelson, L. B., & Olitsky, S. E. (2014). Harley's pediatric ophthalmology (Sixth edition.). Lippincott Williams & Wilkins.
Lua i Stíl Chicago (17ú heag.)Nelson, Leonard B., agus Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Philadelphia, PA: Lippincott Williams & Wilkins, 2014.
Lua MLA (9ú heag.)Nelson, Leonard B., agus Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Lippincott Williams & Wilkins, 2014.
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