1. Akbiyikli, & Eaton, (2018). “A Comparison of PFI, BOT, BOO, and BOOT Procurement Routes for Infrastructure Construction Projects”, p. 506, Access date: 30.11.2018 https://www.irbnet.de/daten/iconda/CIB16757.pdf .
2. Akintoye, A., Beck, M., Hardcastle, C., Chinyio, E. & Asenova, D. (2001). “The financial structure of private finance initiative projects”. Proceedings of the 17th ARCOM Annual Conference, Salford University, Manchester, p. 1361–9.
3. Akintoye, A., Beck, M., & Hardcastle, C. (2006). Public-private partnerships: Managing risks and opportunities. Oxford: Blackwell Science.
4. Barlow, J. (2007). “Redefining healthcare infrastructure: integrating services and the built environment. Revaluing Construction 2007-Crossing Boundaries”, Health and Care Infrastructure Research and Innovation Centre-HaCIRIC, Copenhagen.
5. Bettignies, J-E. & Ross, T. W. (2004). “The Economics of Public-Private Partnerships”, Canadian Public Policy, Analyse De Politiques, Vol. XXX, No.2.