एपीए उद्धरण

Williamson, C. D. (1963). Executive operations technique. Prentice hall.

शिकागो स्टाइल उद्धरण

Williamson, C. Don. Executive Operations Technique. New Jersey: Prentice hall, 1963.

एमएलए उद्धरण

Williamson, C. Don. Executive Operations Technique. Prentice hall, 1963.