Παραπομπή σε μορφή APA (7η εκδ.)

Irwin, T. (2007). Government guarantees: Allocating and valuing risk in privately financed infrastructure projects. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Irwin, Timothy. Government Guarantees: Allocating and Valuing Risk in Privately Financed Infrastructure Projects. Washington, D.C.: World Bank, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Irwin, Timothy. Government Guarantees: Allocating and Valuing Risk in Privately Financed Infrastructure Projects. World Bank, 2007.