Pickering, D., Banister, D. H., & Park, J. M. (1993). Utility mapping and record keeping for infrastructure. World Bank.
Citazione stile Chigago Style (17a edizione)Pickering, David, David H. Banister, e Jonathan M. Park. Utility Mapping and Record Keeping for Infrastructure. Washington, D.C: World Bank, 1993.
Citatione MLA (9a ed.)Pickering, David, et al. Utility Mapping and Record Keeping for Infrastructure. World Bank, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.