Bordens, K. S., & Abbott, B. B. (2018). Research design and methods: A process approach (10th ed.). McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bordens, Kenneth S., و Bruce B. Abbott. Research Design and Methods: A Process Approach. 10th ed. New York: McGraw-Hill, 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bordens, Kenneth S., و Bruce B. Abbott. Research Design and Methods: A Process Approach. 10th ed. McGraw-Hill, 2018.