AENOR. (1990). Descriptores de normas UNE. AENOR.
Chicago Style (17th ed.) CitationAENOR. Descriptores De Normas UNE. Madrid: AENOR, 1990.
MLA (9th ed.) CitationAENOR. Descriptores De Normas UNE. AENOR, 1990.
Warning: These citations may not always be 100% accurate.