1. Ahmad, A. M., Ahmad, F., Din, G., Razak, H. A., & Noor, N. A. M. (1999). Pengantar pengurusan. Sintok: Universiti Utara Malaysia.
2. Akande, O., & Oluwaseun, Y. (2014). Influence of budgeting system on Entrepreneurial Business performance: Perspective of Small business Owner in Lagos state Nigeria. Journal of Business and Management, 16(6), 58–64. www.iosrjournals.org .
3. Campbell, J. Y. (2006). Household Finance. NBER Working Paper No. 12149. Cambridge, MA: National Bureau of Economic Research.
4. Cornwall, J. R. (2012). Budgeting for entrepreneurs. Retrieved from http://www.csmonitor.com/Business/The-Entrepreneurial-Mind/2012/1112/Budgeting-for-entrepreneurs .
5. Epstein, G. (2014). How to budget for start-up success. Retrieved from http://www.entrepreneurmag.co.za/advice/starting-a-business/launch/how-to-budget-for-start-up-success/ .