(1994). Vaccines for children: Critical issues in design and implementation : report to Congressional requesters / United States General Accounting Office.
Citazione stile Chigago Style (17a edizione)Vaccines for Children: Critical Issues in Design and Implementation : Report to Congressional Requesters / United States General Accounting Office. 1994.
Citatione MLA (9a ed.)Vaccines for Children: Critical Issues in Design and Implementation : Report to Congressional Requesters / United States General Accounting Office. 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.