APA (7e ed.) Bronvermelding

Nelson, L. B., & Olitsky, S. E. (2014). Harley's pediatric ophthalmology (Sixth edition.). Lippincott Williams & Wilkins.

Chicago (17e ed.) Bronvermelding

Nelson, Leonard B., en Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Philadelphia, PA: Lippincott Williams & Wilkins, 2014.

MLA (9e ed.) Bronvermelding

Nelson, Leonard B., en Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Lippincott Williams & Wilkins, 2014.