Petersen, U. (2013). Unconventional consideration manners of the economic crisis III: What is to be done as a solution for the crisis? (First edition.). PL Academic Research, Imprint der Peter Lang GmbH.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Petersen, Uwe. Unconventional Consideration Manners of the Economic Crisis III: What Is to Be Done as a Solution for the Crisis? First edition. Frankfurt am Main ; New York: PL Academic Research, Imprint der Peter Lang GmbH, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Petersen, Uwe. Unconventional Consideration Manners of the Economic Crisis III: What Is to Be Done as a Solution for the Crisis? First edition. PL Academic Research, Imprint der Peter Lang GmbH, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.