Gaya APA

Bennet, E, S., Henry, V, A. (2014). Clinical Manual of Contact Lenses : Fourth Edition . Philadelphia: Lippincott Williams & Wilkins.

Gaya MLA

Bennet, Edward, S.., Henry, Vinita, Allee. "Clinical Manual of Contact Lenses : Fourth Edition". Philadelphia: Lippincott Williams & Wilkins, 2014. Text.