Gaya APA

Friedman, N, J. (2009). The Massachusetts Eyw and Ear Infirmary Illustrated Manual of Opthalmology (Edisi 3). Calivornia: University School of Medicine.

Gaya MLA

Friedman, Neil, J.. "The Massachusetts Eyw and Ear Infirmary Illustrated Manual of Opthalmology". Edisi 3 Calivornia: University School of Medicine, 2009. Text.