एपीए उद्धरण

Macdonald, D. D. (1953). Points from Letters: The College of General Practitioners.

शिकागो स्टाइल उद्धरण

Macdonald, D. D. Points From Letters: The College of General Practitioners. 1953.

एमएलए उद्धरण

Macdonald, D. D. Points From Letters: The College of General Practitioners. 1953.