एपीए उद्धरण

Yuill, B. (1968). Supervision: Principles and techniques. George Allen & Unwin.

शिकागो स्टाइल उद्धरण

Yuill, Bruce. Supervision: Principles and Techniques. London: George Allen & Unwin, 1968.

एमएलए उद्धरण

Yuill, Bruce. Supervision: Principles and Techniques. George Allen & Unwin, 1968.