King, K. (1993). Issues to be addressed by the program for measuring incremental costs for the environment. Global Environment Facility.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)King, Kenneth. Issues to Be Addressed by the Program for Measuring Incremental Costs for the Environment. Washington, D.C: Global Environment Facility, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)King, Kenneth. Issues to Be Addressed by the Program for Measuring Incremental Costs for the Environment. Global Environment Facility, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.