Gurturk, A. (2017). Integrated reporting and sustainability-related assurance: Effects, current practice and future directions. kassel university press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gurturk, Anil. Integrated Reporting and Sustainability-related Assurance: Effects, Current Practice and Future Directions. Kassel, [Germany]: kassel university press, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gurturk, Anil. Integrated Reporting and Sustainability-related Assurance: Effects, Current Practice and Future Directions. kassel university press, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.