Gopal, G. Procurement and disbursement manual for projects with community participation. World Bank.
Citazione stile Chigago Style (17a edizione)Gopal, Gita. Procurement and Disbursement Manual for Projects with Community Participation. Washington, D.C: World Bank.
Citatione MLA (9a ed.)Gopal, Gita. Procurement and Disbursement Manual for Projects with Community Participation. World Bank.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.