APA-viite

Tibballs, G., & Proud, J. (2012). Ripley's believe it or not!: Download the weird. Ripley Pub..

Chicago-tyylinen lähdeviittaus

Tibballs, Geoff, ja James Proud. Ripley's Believe It or Not!: Download the Weird. Orlando, Fla.: Ripley Pub., 2012.

MLA-viite

Tibballs, Geoff, ja James Proud. Ripley's Believe It or Not!: Download the Weird. Ripley Pub., 2012.