Environmental Law Institute & ebrary, Inc. (1999). Building capacity to participate in Environmental Protection Agency activities: A needs assessment and analysis. Environmental Law Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Environmental Law Institute و Inc ebrary. Building Capacity to Participate in Environmental Protection Agency Activities: A Needs Assessment and Analysis. Washington, D.C.: Environmental Law Institute, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Environmental Law Institute و Inc ebrary. Building Capacity to Participate in Environmental Protection Agency Activities: A Needs Assessment and Analysis. Environmental Law Institute, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.