एपीए उद्धरण

Toulmin, S. (1953). Philosophy of science: An introduction. Hutchnson.

शिकागो स्टाइल उद्धरण

Toulmin, Stephen. Philosophy of Science: An Introduction. London: Hutchnson, 1953.

एमएलए उद्धरण

Toulmin, Stephen. Philosophy of Science: An Introduction. Hutchnson, 1953.