Establishments that publish audiobooks, literary and scientific references of all kinds, textbooks, brochures and other publications shall include what is mentioned in detail in this section, whether the process is related to the printer or not, and whether the establishment has its own printing presses to carry out the printing operations and production of publications and books to be published, or its activity is limited to providing publishing facilities and conducting the necessary contracts for this purpose with printing presses and book and publications stores to distribute and market such prints.