Martens-Weiner, J. (2006). Company Tax Reform in the European Union: Guidance from the United States and Canada on Implementing Formulary Apportionment in the EU. Springer US. https://doi.org/10.1007/0-387-29487-2
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Martens-Weiner, Joann. Company Tax Reform in the European Union: Guidance from the United States and Canada on Implementing Formulary Apportionment in the EU. Boston, MA: Springer US, 2006. https://doi.org/10.1007/0-387-29487-2.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Martens-Weiner, Joann. Company Tax Reform in the European Union: Guidance from the United States and Canada on Implementing Formulary Apportionment in the EU. Springer US, 2006. https://doi.org/10.1007/0-387-29487-2.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.