Παραπομπή σε μορφή APA (7η εκδ.)

Knapman, B., Davis, D., & Sharan, D. (2002). Tonga: Natural resource use and sustainable socioeconomic development : economic report. Asian Development Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Knapman, Bruce, Derrin Davis, και Diwesh Sharan. Tonga: Natural Resource Use and Sustainable Socioeconomic Development : Economic Report. [Manila, Philippines]: Asian Development Bank, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Knapman, Bruce, et al. Tonga: Natural Resource Use and Sustainable Socioeconomic Development : Economic Report. Asian Development Bank, 2002.