Akhavisamarein, Z., Akbari, M., & Ahmadi, S. (2021, March). The Pattern of structural relationships of academic motivation based on Psychological needs by the role of academic procrastination intervening in undergraduate students. Pizhūhish dar Āmūzish-i ̒ulūm-i Pizishkī.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Akhavisamarein, Z., M. Akbari, و Sh Ahmadi. "The Pattern of Structural Relationships of Academic Motivation Based on Psychological Needs by the Role of Academic Procrastination Intervening in Undergraduate Students." Pizhūhish Dar Āmūzish-i ̒ulūm-i Pizishkī Mar. 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Akhavisamarein, Z., et al. "The Pattern of Structural Relationships of Academic Motivation Based on Psychological Needs by the Role of Academic Procrastination Intervening in Undergraduate Students." Pizhūhish Dar Āmūzish-i ̒ulūm-i Pizishkī, Mar. 2021.