Ullman, J. D. (2002). A first course in database systems. New Jersey: Prenticice Hall.
Chicago Stili AlıntıUllman, Jefferey D. A First Course in Database Systems. New Jersey: Prenticice Hall, 2002.
MLA AlıntıUllman, Jefferey D. A First Course in Database Systems. New Jersey: Prenticice Hall, 2002.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..