1. Muhammad, F. (2017). The key to success in entrepreneurship. PT. Warta Aksara Sakti.
2. Salim, U. (2011). Manajemen Keuangan Strategik. UB Pres.
3. Quraish Shihab, M. (2012). Tafsil Al Misbah (Vol. 2). Lentera Hati.
4. Y. M., & Ran, X. (2011). How cultural differences influence the business (p. 53). BUS 495 Final Research Report. https://id.scribd.com/document/344158324/Ran-and-Ma-0
5. Han, S., Kang, T., Salter, S., & Yoo, Y. K. (2010). A cross-country study on the effects of national culture on earnings management. Journal of International Business Studies, 41(1), 123–141. https://doi.org/10.1057/jibs.2008.78