Jungwirth, M. (2011). Environmental management systems in local public authorities: A comparative study of the introduction and implementation of EMAS in the United Kingdom and Germany. Peter Lang.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jungwirth, Martin. Environmental Management Systems in Local Public Authorities: A Comparative Study of the Introduction and Implementation of EMAS in the United Kingdom and Germany. Frankfurt am Main: Peter Lang, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Jungwirth, Martin. Environmental Management Systems in Local Public Authorities: A Comparative Study of the Introduction and Implementation of EMAS in the United Kingdom and Germany. Peter Lang, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.