Rustam Tagiew, Dmitry I. Ignatov, Radhakrishnan Ignatov: Economics of Internet-Based Hospitality Exchange. (IEEE/WIC/ACM) International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). Singapore 2015, S.493–498, doi:10.1109/WI-IAT.2015.89, arxiv:1501.06941 (englisch).
Rustam Tagiew, Dmitry I. Ignatov, Radhakrishnan Ignatov: Economics of Internet-Based Hospitality Exchange. (IEEE/WIC/ACM) International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). Singapore 2015, S.493–498, doi:10.1109/WI-IAT.2015.89, arxiv:1501.06941 (englisch).