Sign.: X-PROPISI
SIST Slovenski standard. - [s.n.], 2003
*
standardi i norme
SIST EN 13809:2004 : Tourism services - Travel agencies and tour operators - Terminology
SIST EN 15565:2008 : Tourism services - Requirements for the provision of professional tourist guide training and qualification programmes
SIST EN ISO 18513:2004 : Tourism services - Hotels and other types of tourism accommodation- Terminology (ISO 18513:2003)