Παραπομπή σε μορφή APA (7η εκδ.)

Puil van der, J., & van Weele, A. (2014). International contracting: Contract management in complex construction projects. Imperial College Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Puil van der, John, και Arjan van Weele. International Contracting: Contract Management in Complex Construction Projects. [London]: Imperial College Press, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Puil van der, John, και Arjan van Weele. International Contracting: Contract Management in Complex Construction Projects. Imperial College Press, 2014.