George, C., & Lee, N. (2006). Environmental assessment in developing and transitional countries: Principles, methods, and practice. Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George, Clive, و Norman Lee. Environmental Assessment in Developing and Transitional Countries: Principles, Methods, and Practice. Chichester: Wiley, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)George, Clive, و Norman Lee. Environmental Assessment in Developing and Transitional Countries: Principles, Methods, and Practice. Wiley, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.