एपीए उद्धरण

K Bradley Penuel. (2013). Encyclopaedia of crisis management. Sage publishers.

शिकागो स्टाइल उद्धरण

K Bradley Penuel. Encyclopaedia of Crisis Management. California: Sage publishers, 2013.

एमएलए उद्धरण

K Bradley Penuel. Encyclopaedia of Crisis Management. Sage publishers, 2013.