एपीए उद्धरण

Helgesen, M. (1999). Active listening introducing: Skills for understanding (Level 1). Cambridge, UK: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Helgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.

एमएलए उद्धरण

Helgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.