1. Macneil, I., Gudel, P.: Contracts: Exchange Transactions and Relations. Foundation Press, New York (2001)
2. Argyres, N., Mayer, K.J.: Contract design as a firm capability: An integration of learning and transaction cost perspectives. Acad. Manage. Rev. 32(4), 1060–1077 (2007)
3. Siedel, G.J., Haapio, H.: Using proactive law for competitive advantage. Am. Bus. Law J. 47(4), 641–686. Available as a Working Paper at http://ssrn.com/abstract = 1664561 (2010). Accessed 17 Jan 2012
4. Siedel, G., Haapio, H.: Proactive Law for Managers: A Hidden Source of Competitive Advantage. Gower Publishing, Farnham (2011)
5. Pohjonen, S., Visuri, K.: Proactive approach in project management and contracting. In: Haapio, H. (ed.) A Proactive Approach to Contracting and Law, pp. 75–95. International Association for Contract and Commercial Management & Turku University of Applied Sciences, Turku (2008)