Lauterbach, Debra; Truong, Hung; Shah, Tanuj; Adamic, Lada (August 2009). "Surfing a Web of Trust: Reputation and Reciprocity on CouchSurfing.com". 2009 International Conference on Computational Science and Engineering. Vol. 4. pp. 346–353. doi:10.1109/CSE.2009.345. ISBN978-1-4244-5334-4. S2CID12869279.
Tagiew, Rustam; Ignatov, Dmitry. I; Delhibabu, Radhakrishnan (2015). "Hospitality Exchange Services as a Source of Spatial and Social Data?". 2015 IEEE International Conference on Data Mining Workshop (ICDMW). pp. 1125–1130. doi:10.1109/ICDMW.2015.239. ISBN978-1-4673-8493-3. S2CID8196598.
Lauterbach, Debra; Truong, Hung; Shah, Tanuj; Adamic, Lada (August 2009). "Surfing a Web of Trust: Reputation and Reciprocity on CouchSurfing.com". 2009 International Conference on Computational Science and Engineering. Vol. 4. pp. 346–353. doi:10.1109/CSE.2009.345. ISBN978-1-4244-5334-4. S2CID12869279.
Tagiew, Rustam; Ignatov, Dmitry. I; Delhibabu, Radhakrishnan (2015). "Hospitality Exchange Services as a Source of Spatial and Social Data?". 2015 IEEE International Conference on Data Mining Workshop (ICDMW). pp. 1125–1130. doi:10.1109/ICDMW.2015.239. ISBN978-1-4673-8493-3. S2CID8196598.