Παραπομπή APA

Webb, S. P. (1994). Making a charge for library and information services. ASLIB.

Παραπομπή Chicago Style

Webb, Sylvia P. Making a Charge for Library and Information Services. London: ASLIB, 1994.

Παραπομπή MLA

Webb, Sylvia P. Making a Charge for Library and Information Services. ASLIB, 1994.