Word Bank. (1980). Health sector policy paper: Second edition. Word Bank.
Citazione stile Chigago Style (17a edizione)Word Bank. Health Sector Policy Paper: Second Edition. Washington, D. C.: Word Bank, 1980.
Citatione MLA (9a ed.)Word Bank. Health Sector Policy Paper: Second Edition. Word Bank, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.