Unesco. Social and Human Sciences Documentation Centre. (1993). Selective inventory of social science information and documentation services (4th ed.). Blackwell.
Citazione stile Chigago Style (17a edizione)Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Oxford, U.K: Blackwell, 1993.
Citatione MLA (9a ed.)Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Blackwell, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.