Παραπομπή σε μορφή APA (7η εκδ.)

Wessels, J. (2008). To cooperate or not to cooperate ... ?: Collective action for rehabilitation of traditional water tunnel systems (qanats) in Syria. Amsterdam University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wessels, Joshka. To Cooperate or Not to Cooperate ... ?: Collective Action for Rehabilitation of Traditional Water Tunnel Systems (qanats) in Syria. Amsterdam University Press, 2008.