Atherton, P. (1980). Handbook for information systems and services. United Nations Educational.
Chicago (17e ed.) BronvermeldingAtherton, Pauline. Handbook for Information Systems and Services. Paris: United Nations Educational, 1980.
MLA (9e ed.) BronvermeldingAtherton, Pauline. Handbook for Information Systems and Services. United Nations Educational, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.