APA stil citiranja
Polanka, S. (2011). No shelf required: No shelf required : e-books in libraries. Chicago: American Library Association.
Chicago stil citiranjaPolanka, Sue. No shelf required: No shelf required : e-books in libraries. Chicago: American Library Association, 2011.
MLA stil citiranjaPolanka, Sue. No shelf required: No shelf required : e-books in libraries. Chicago: American Library Association, 2011.
Napomena: Ova citiranost nije uvijek 100% točna.