APA-referens

Polanka, S. (2011). No shelf required: E-books in libraries. Ess Ess Publications.

Chicago-stil citat

Polanka, Sue. No Shelf Required: E-books in Libraries. New Delhi: Ess Ess Publications, 2011.

MLA-referens

Polanka, Sue. No Shelf Required: E-books in Libraries. Ess Ess Publications, 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.