APA (7 वां संस्करण) प्रशस्ति पत्र
Society for Mining, Metallurgy, and Exploration (U.S.), ebrary, Inc, & Kennedy, B. A. (1990). Surface mining (2nd ed.). Society for Mining, Metallurgy, and Exploration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Society for Mining, Metallurgy, and Exploration (U.S.), Inc ebrary, और Bruce A. Kennedy. Surface Mining. 2nd ed. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Society for Mining, Metallurgy, and Exploration (U.S.), et al. Surface Mining. 2nd ed. Society for Mining, Metallurgy, and Exploration, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.