Wessels, J. (2008). To cooperate or not to cooperate ... ?: Collective action for rehabilitation of traditional water tunnel systems (qanats) in Syria. Amsterdam University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wessels, Joshka. To Cooperate or Not to Cooperate ... ?: Collective Action for Rehabilitation of Traditional Water Tunnel Systems (qanats) in Syria. Amsterdam University Press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.