एपीए उद्धरण

Ashour,S. (1972). Sequencing theory. Springer - Verlag.

शिकागो स्टाइल उद्धरण

Ashour,S. Sequencing Theory. Berlin: Springer - Verlag, 1972.

एमएलए उद्धरण

Ashour,S. Sequencing Theory. Springer - Verlag, 1972.