Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.