ScienceDirect, ScienceDirect Complete Freedom Collection, ScienceDirect Subject Collections - Business, Management and Accounting, ScienceDirect Subject Collections - Decision Sciences, & ScienceDirect Subject Collections - Economics, Econometrics, and Finance. Research policy [ejournal]. Elsevier Science Publishers B.V. (North-Holland), 1971-.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ScienceDirect, ScienceDirect Complete Freedom Collection, Management and Accounting ScienceDirect Subject Collections - Business, ScienceDirect Subject Collections - Decision Sciences, و Econometrics ScienceDirect Subject Collections - Economics. Research Policy [ejournal]. Amsterdam: Elsevier Science Publishers B.V. (North-Holland), 1971-.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ScienceDirect, et al. Research Policy [ejournal]. Elsevier Science Publishers B.V. (North-Holland), 1971-.