Dworatschek, S. (1974). I.S. Informations-Systeme. de Gruyter.
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Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Dworatschek, Sebastian. I.S. Informations-Systeme. Berlin, New York: de Gruyter, 1974.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Dworatschek, Sebastian. I.S. Informations-Systeme. de Gruyter, 1974.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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