Essen University Library & Helal, A. H. (1991). Information technology and library management: 13th international Essen Symposium 22 October- 25 October 1990. Universitaetsbibliothek Essen.
Chicago Style (17th ed.) CitationEssen University Library and Ahmed H. Helal. Information Technology and Library Management: 13th International Essen Symposium 22 October- 25 October 1990. Essen: Universitaetsbibliothek Essen, 1991.
MLA (8th ed.) CitationEssen University Library and Ahmed H. Helal. Information Technology and Library Management: 13th International Essen Symposium 22 October- 25 October 1990. Universitaetsbibliothek Essen, 1991.
Warning: These citations may not always be 100% accurate.
