Noble, B. A., & Ball, J. L. (2004). Late onset post-keratoplasty astigmatism in patients with keratoconus. Copyright 2004 British Journal of Ophthalmology.
استشهاد بنمط شيكاغوNoble, B A., و J L. Ball. Late Onset Post-keratoplasty Astigmatism in Patients With Keratoconus. Copyright 2004 British Journal of Ophthalmology, 2004.
MLA استشهادNoble, B A., و J L. Ball. Late Onset Post-keratoplasty Astigmatism in Patients With Keratoconus. Copyright 2004 British Journal of Ophthalmology, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.