Cita APA (7a ed.)
Polanka, S. No Shelf Required: Use and Management of Electronic Books. American Library Association.
Cita estilo Chicago (17a ed.)
Polanka, Sue. No Shelf Required: Use and Management of Electronic Books. Chicago, EUA: American Library Association.
Cita MLA (9a ed.)
Polanka, Sue. No Shelf Required: Use and Management of Electronic Books. American Library Association.
Precaución: Estas citas no son 100% exactas.