APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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