एपीए उद्धरण

Schwinger, J. (1969). Particles and sources. Gordon and Breach.

शिकागो स्टाइल उद्धरण

Schwinger, Julian. Particles and Sources. New York: Gordon and Breach, 1969.

एमएलए उद्धरण

Schwinger, Julian. Particles and Sources. Gordon and Breach, 1969.