Wells, L. T., .allen, n. j., & morisset, j. (2001). Using tax incentives to compete for foreign investment: Are they worth the costs? World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wells, Louis T., nancy j. .allen, و jacques morisset. Using Tax Incentives to Compete for Foreign Investment: Are They Worth the Costs? Washington, DC: World Bank, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wells, Louis T., et al. Using Tax Incentives to Compete for Foreign Investment: Are They Worth the Costs? World Bank, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.