Primary Research Group. (2017). International survey of business & economics university faculty: Outlook for new position openings and tenure. Primary Research Group Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Primary Research Group. International Survey of Business & Economics University Faculty: Outlook for New Position Openings and Tenure. [New York, New York]: Primary Research Group Inc., 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Primary Research Group. International Survey of Business & Economics University Faculty: Outlook for New Position Openings and Tenure. Primary Research Group Inc., 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.