Gaya APA
Wörndl, W. et al (2021).
Information and communication technologies in tourism 2021 :proceedings of the ENTER 2021 eTourism Conference, January 19–22, 2021 .
Cham, Switzerland:
Springer Open.
Gaya MLA
Wörndl, Wolfgang. et al.
"Information and communication technologies in tourism 2021 :proceedings of the ENTER 2021 eTourism Conference, January 19–22, 2021".
Cham, Switzerland:
Springer Open,
2021.
Ebook.