ebrary, Inc, Bennett, M., James, P., & Klinkers, L. (1999). Sustainable measures: Evaluation and reporting of environmental and social performance. Greenleaf Pub..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, Martin Bennett, Peter James, و Leon Klinkers. Sustainable Measures: Evaluation and Reporting of Environmental and Social Performance. Sheffield, U.K.: Greenleaf Pub., 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Sustainable Measures: Evaluation and Reporting of Environmental and Social Performance. Greenleaf Pub., 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.