Ahmed, T., & Adrita, U. W. (2016). Effectiveness of invoice processing system to meet the on time payment objective of Chevron Bangladesh. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Tanvir, و Ummul Wara Adrita. Effectiveness of Invoice Processing System to Meet the on Time Payment Objective of Chevron Bangladesh. BRAC University, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmed, Tanvir, و Ummul Wara Adrita. Effectiveness of Invoice Processing System to Meet the on Time Payment Objective of Chevron Bangladesh. BRAC University, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.