APA (7 वां संस्करण) प्रशस्ति पत्र
Wessels, J. (2008). To cooperate or not to cooperate ... ?: Collective action for rehabilitation of traditional water tunnel systems (qanats) in Syria. Amsterdam University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Wessels, Joshka. To Cooperate or Not to Cooperate ... ?: Collective Action for Rehabilitation of Traditional Water Tunnel Systems (qanats) in Syria. [Amsterdam]: Amsterdam University Press, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Wessels, Joshka. To Cooperate or Not to Cooperate ... ?: Collective Action for Rehabilitation of Traditional Water Tunnel Systems (qanats) in Syria. Amsterdam University Press, 2008.
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