Παραπομπή σε μορφή APA (7η εκδ.)

Foster, S. S., & Lawrence, A. (1998). Groundwater in urban development: Assessing management needs and formulating policy strategies. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Foster, Stephen S.D, και Adrian Lawrence. Groundwater in Urban Development: Assessing Management Needs and Formulating Policy Strategies. Washington, D.C: World Bank, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Foster, Stephen S.D, και Adrian Lawrence. Groundwater in Urban Development: Assessing Management Needs and Formulating Policy Strategies. World Bank, 1998.