Nocke, V., Peitz, M., & Rosar, F. (2010). Advance-Purchase Discounts as a Price Discrimination Device. Elsevier.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNocke, V., M. Peitz, और F. Rosar. Advance-Purchase Discounts as a Price Discrimination Device. Elsevier, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNocke, V., et al. Advance-Purchase Discounts as a Price Discrimination Device. Elsevier, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.