Sigala, M. (2012). Social media in travel, tourism and hospitality: Theory, practice and cases. Farnham, Surrey, Burlington, VT: Ashgate Pub.
استشهاد بنمط شيكاغوSigala, Marianna. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. Farnham, Surrey, Burlington, VT: Ashgate Pub, 2012.
MLA استشهادSigala, Marianna. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. Farnham, Surrey, Burlington, VT: Ashgate Pub, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.