توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Linder Stefan & Otto Beisheim Graduate School of Management. Fifty years of research on accuracy of capital expenditure project estimates , a review of the findings and their validity.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Linder Stefan و Otto Beisheim Graduate School of Management. Fifty Years of Research on Accuracy of Capital Expenditure Project Estimates , a Review of the Findings and Their Validity.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Linder Stefan و Otto Beisheim Graduate School of Management. Fifty Years of Research on Accuracy of Capital Expenditure Project Estimates , a Review of the Findings and Their Validity.