1. An, T., & Watanabe, T. (2011). Towards the sustainable improvement in construction labour’s employment in China: Cultivating subcontractor’s role. In C. Egbu & E. C. W. Lou (Eds.), Proceedings 27th Annual ARCOM Conference (pp. 663–672), 5–7 September 2011, Bristol, UK, Association of Researchers in Construction Management.
2. Construction 21 Steering Committee. (1999). Construction 21: Re-inventing construction. Ministry of Manpower and Ministry of National Development, Singapore.
3. Construction Industry Review Committee. (2001). Chapter 4: Fostering a Quality Culture (pp. 34–52). Construct for Excellence, Construction Industry Review Committee, Hong Kong.
4. Cox, A., & Townsend, M. (1998). Strategic procurement in construction: Towards better practice in the management of construction supply chains. London: Thomas Telford.
5. Eccles, R. (1981). The quasifirm in the construction industry. Journal of Economic Behaviour and Organization, 2(4), 335–357.