Van Gyseghem, N., & De Caluwe, R. (1998). Imprecision and Uncertainty in the UFO Database Model. Journal of the American Society for Information Science, 49(3), 236-252.
ISO-690 (author-date, English)VAN GYSEGHEM, Nancy und DE CALUWE, Rita, 1998. Imprecision and Uncertainty in the UFO Database Model. Journal of the American Society for Information Science. 1 Januar 1998. Vol. 49, no. 3, p. 236-252.
Modern Language Association 9th editionVan Gyseghem, N., und R. De Caluwe. „Imprecision and Uncertainty in the UFO Database Model.“. Journal of the American Society for Information Science, Bd. 49, Nr. 3, Januar 1998, S. 236-52.
Mohr Siebeck - Recht (Deutsch - Österreich)Van Gyseghem, Nancy/De Caluwe, Rita: Imprecision and Uncertainty in the UFO Database Model., Journal of the American Society for Information Science 1998, 236-252.
Emerald - HarvardVan Gyseghem, N. und De Caluwe, R. (1998), „Imprecision and Uncertainty in the UFO Database Model.“, Journal of the American Society for Information Science, Vol. 49 No. 3, S. 236-252.