APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Erridge, A., Fee, R., & McIlroy, J. (2001). Best practice procurement: Public and private sector perspectives. Gower.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Andrew Erridge, Ruth Fee, और John McIlroy. Best Practice Procurement: Public and Private Sector Perspectives. Aldershot, Hampshire, England ; Burlington, VT: Gower, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Best Practice Procurement: Public and Private Sector Perspectives. Gower, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.