Sigala, M., Christou, E., & Gretzel, U. (2015). Social media in travel, tourism and hospitality: Theory, practice and cases. Ashgate Pub.
Stile di citazione ChicagoSigala, Marianna, Evangelos Christou, e Ulrike Gretzel. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. Ashgate Pub, 2015.
Citazione MLASigala, Marianna, Evangelos Christou, e Ulrike Gretzel. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. Ashgate Pub, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.