Gaya APA

dkk., R, E. (2016). Open Tourism: Open Innovation, Crowd-sourcing and Co-Creation Challenging the Tourism Industry (Cet. 1). New York: Springer.

Gaya MLA

dkk., Roman, Egger,. "Open Tourism: Open Innovation, Crowd-sourcing and Co-Creation Challenging the Tourism Industry". Cet. 1 New York: Springer, 2016. Text.