APA (7 वां संस्करण) प्रशस्ति पत्र
Geller, G., & Glcklich, D. (2012). Sustainable Rural and Urban Ecosystems: Design, Implementation and Operation: Manual for Practice and Study. Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/978-3-642-28261-4
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Geller, Gunther, और Detlef Glcklich. Sustainable Rural and Urban Ecosystems: Design, Implementation and Operation: Manual for Practice and Study. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012. https://doi.org/10.1007/978-3-642-28261-4.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Geller, Gunther, और Detlef Glcklich. Sustainable Rural and Urban Ecosystems: Design, Implementation and Operation: Manual for Practice and Study. Springer Berlin Heidelberg : Imprint: Springer, 2012. https://doi.org/10.1007/978-3-642-28261-4.
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