توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Kerber, W. (2016). Exhaustion of Digital Goods: An Economic Perspective. MAGKS - Joint Discussion Paper Series in Economics, 23-2016, . https://doi.org/10.17192/es2024.0494

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Kerber, Wolfgang. "Exhaustion of Digital Goods: An Economic Perspective." MAGKS - Joint Discussion Paper Series in Economics 23-2016 (2016). https://doi.org/10.17192/es2024.0494.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Kerber, Wolfgang. "Exhaustion of Digital Goods: An Economic Perspective." MAGKS - Joint Discussion Paper Series in Economics, vol. 23-2016, 2016, https://doi.org/10.17192/es2024.0494.