Identification of norms and guidelines for libraries; the units of information

The information units have used quality as an inherent concept to their activities. The use of standards has the purpose of guaranteeing an action close to the needs of its target audience. The finality of this word is to identify normative documents which regulate and guide the processes of this kind of information units, and also to explore the opinion of professionals involved in the library science activity, with respect to the use of standards in the information units. The answers of the survey made upon these professionals hold that the application of norms is considered as a necessary process.