Unesco. Social and Human Sciences Documentation Centre. (1993). Selective inventory of social science information and documentation services (4th ed.). Blackwell.
Chicago-Zitierstil (17. Ausg.)Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Oxford, U.K: Blackwell, 1993.
MLA-Zitierstil (9. Ausg.)Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Blackwell, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.