(1987). X/OPEN. Portability guide. Vol. 5. Data management ([1st ed.].). Elsevier Science Publishers.
Chicago Style (17th ed.) CitationX/OPEN. Portability Guide. Vol. 5. Data Management. [1st ed.]. Amsterdam: Elsevier Science Publishers, 1987.
MLA (9th ed.) CitationX/OPEN. Portability Guide. Vol. 5. Data Management. [1st ed.]. Elsevier Science Publishers, 1987.
Warning: These citations may not always be 100% accurate.