Παραπομπή σε μορφή APA (7η εκδ.)

Ward, K. (2003). Strengthening the economic analysis of natural resource management projects. Asian Development Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ward, Keith. Strengthening the Economic Analysis of Natural Resource Management Projects. Manila: Asian Development Bank, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ward, Keith. Strengthening the Economic Analysis of Natural Resource Management Projects. Asian Development Bank, 2003.