एपीए उद्धरण

Castleden, R. (2009). Encounters that changed the world. Futura.

शिकागो स्टाइल उद्धरण

Castleden, Rodney. Encounters That Changed the World. London: Futura, 2009.

एमएलए उद्धरण

Castleden, Rodney. Encounters That Changed the World. Futura, 2009.