एपीए उद्धरण

Nidditch P H. (1968). Philosophy of Science. Oxford University.

शिकागो स्टाइल उद्धरण

Nidditch P H. Philosophy of Science. London: Oxford University, 1968.

एमएलए उद्धरण

Nidditch P H. Philosophy of Science. Oxford University, 1968.