Cita APA (7th ed.)

Pickering, D. (1993). Utility mapping and record keeping for: Infrastructure. The World Bank.

Cita Chicago (17th ed.)

Pickering, David. Utility Mapping and Record Keeping for: Infrastructure. Washington, D.C.: The World Bank, 1993.

Cita MLA (9th ed.)

Pickering, David. Utility Mapping and Record Keeping for: Infrastructure. The World Bank, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.