Pickering, D. (1993). Utility mapping and record keeping for: Infrastructure. The World Bank.
Cita Chicago Style (17a ed.)Pickering, David. Utility Mapping and Record Keeping for: Infrastructure. Washington, D.C.: The World Bank, 1993.
Cita MLA (9a ed.)Pickering, David. Utility Mapping and Record Keeping for: Infrastructure. The World Bank, 1993.
Precaución: Estas citas no son 100% exactas.