Leifeste, A., & Stiefel, B. (2018). Sustainable heritage: Merging environmental conservation and historic preservation. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeifeste, Amalia, और Barry Stiefel. Sustainable Heritage: Merging Environmental Conservation and Historic Preservation. New York: Routledge, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeifeste, Amalia, और Barry Stiefel. Sustainable Heritage: Merging Environmental Conservation and Historic Preservation. Routledge, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.