Steves, R. (2013). Rick steves' europe through the back door 2014.
Cita Chicago Style (17a ed.)Steves, Rick. Rick Steves' Europe Through the Back Door 2014. 2013.
Cita MLA (8a ed.)Steves, Rick. Rick Steves' Europe Through the Back Door 2014. 2013.
Precaución: Estas citas no son 100% exactas.