Helal, A. H., & Weiss, J. W. (1995). Information Superhighway: The Role of Librarians, Information Scientists, and Intermediaries. Proceedings of the International Essen Symposium (17th, Essen, Germany, October 24-27, 1994).
Chicago-Zitierstil (17. Ausg.)Helal, Ahmed H., und Joachim W. Weiss. Information Superhighway: The Role of Librarians, Information Scientists, and Intermediaries. Proceedings of the International Essen Symposium (17th, Essen, Germany, October 24-27, 1994). 1995.
MLA-Zitierstil (9. Ausg.)Helal, Ahmed H., und Joachim W. Weiss. Information Superhighway: The Role of Librarians, Information Scientists, and Intermediaries. Proceedings of the International Essen Symposium (17th, Essen, Germany, October 24-27, 1994). 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.