APA (7 वां संस्करण) प्रशस्ति पत्र
Espinosa Salazar, A. M., & Walker, J. (2011). A complexity approach to sustainability: Theory and application. Imperial College Press ; Distributed by World Scientific Pub. Co. Pte. Ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Espinosa Salazar, Angela Ma., और Jon Walker. A Complexity Approach to Sustainability: Theory and Application. London : Hackensack, N.J.: Imperial College Press ; Distributed by World Scientific Pub. Co. Pte. Ltd., 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Espinosa Salazar, Angela Ma., और Jon Walker. A Complexity Approach to Sustainability: Theory and Application. Imperial College Press ; Distributed by World Scientific Pub. Co. Pte. Ltd., 2011.
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