एपीए उद्धरण

D F P. Larkin. Multiple choice questions in ophthalmology. London: Wolfe.

शिकागो स्टाइल उद्धरण

D F P. Larkin. Multiple Choice Questions in Ophthalmology. London: Wolfe.

एमएलए उद्धरण

D F P. Larkin. Multiple Choice Questions in Ophthalmology. London: Wolfe.