एपीए उद्धरण

Tibballs,Geoff. (2007). Ripley's believe it or not: The remarkable revealed. Ripley pub.

शिकागो स्टाइल उद्धरण

Tibballs,Geoff. Ripley's Believe It or Not: The Remarkable Revealed. Orlando: Ripley pub, 2007.

एमएलए उद्धरण

Tibballs,Geoff. Ripley's Believe It or Not: The Remarkable Revealed. Ripley pub, 2007.