Ullman, J. D., & Korth, H. F. (1988). Principles of database and knowledge-base systems. Rockville, Md: Computer Science Press.
Chicago Style citaatUllman, Jeffrey D., en Henry F. Korth. Principles of Database and Knowledge-base Systems. Rockville, Md: Computer Science Press, 1988.
MLA citatieUllman, Jeffrey D., en Henry F. Korth. Principles of Database and Knowledge-base Systems. Rockville, Md: Computer Science Press, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.