APA aipamena

Wessel A E. (1981). Indexing systems concepts models & technology. IASLIC.

Chicago Style aipamena

Wessel A E. Indexing Systems Concepts Models & Technology. Calcutta: IASLIC, 1981.

MLA aipamena

Wessel A E. Indexing Systems Concepts Models & Technology. IASLIC, 1981.