O'Brien, T., Filipov, C. The Current Regulatory Framework Governing Business in Bulgaria. Washington: The World Bank, 2001 XII, 53 p. 0-8213-4982-1.
O'Brien, T., Filipov, C. The Current Regulatory Framework Governing Business in Bulgaria. Washington: The World Bank, 2001 XII, 53 p. 0-8213-4982-1.
O'Brien, T., Filipov, C. (2001) The Current Regulatory Framework Governing Business in Bulgaria, Washington: The World Bank XII, 53 p. 0-8213-4982-1.
O'Brien, T., & Filipov, C. (2001). The Current Regulatory Framework Governing Business in Bulgaria. Washington: The World Bank, XII, 53 p.
O'Brien T, Filipov C. The Current Regulatory Framework Governing Business in Bulgaria. Washington: The World Bank; 2001. p. XII, 53 p. ISBN: 0-8213-4982-1.