ROBERTSON, S. E., WALKER, S., JONES, S., HANCOCK-BEAULIEU, M. M., & GATFORD, M. (1995, Januar 1). Okapi at TREC-3. (500225). Gaithersburg, MD: National Institute of Standards and Technology, 1995. Abgerufen von http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=2484603
ISO-690 (author-date, English)ROBERTSON, S. E, WALKER, S, JONES, S, HANCOCK-BEAULIEU, M. M und GATFORD, M, 1995. Okapi at TREC-3. In: [online]. Gaithersburg, MD: National Institute of Standards and Technology, 1995. 1 Januar 1995. Available from: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=2484603
Modern Language Association 9th editionROBERTSON, S. E., S. WALKER, S. JONES, M. M. HANCOCK-BEAULIEU, und M. GATFORD. Okapi at TREC-3. Nr. 500225, Gaithersburg, MD: National Institute of Standards and Technology, 1995., 1995, http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=2484603.
Mohr Siebeck - Recht (Deutsch - Österreich)Emerald - Harvard
ROBERTSON, S.E., WALKER, S., JONES, S., HANCOCK-BEAULIEU, M.M. und GATFORD, M. (1995), „Okapi at TREC-3“, in , Bd. , Gaithersburg, MD: National Institute of Standards and Technology, 1995., verfügbar unter: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=2484603.