Gaya APA

Siwanowicz, I., Siwanowicz, . (2009). E-book Animals Up Close: Zoom in on the World's Most Incredible Creatures . New York: DK Publishing.

Gaya MLA

Siwanowicz, Igor., Siwanowicz, . "E-book Animals Up Close: Zoom in on the World's Most Incredible Creatures". New York: DK Publishing, 2009. Text.