Gaya APA

(DK), D, K., (DK), D, K. (2018). E-book Eyewitness Travel Guide: Krakow . New York: DK Publishing.

Gaya MLA

(DK), Dorling, Kindersley., (DK), Dorling, Kindersley. "E-book Eyewitness Travel Guide: Krakow". New York: DK Publishing, 2018. Text.