Pratt, P. J., & Adamski, J. J. (1991). Database systems: Management and design (2nd ed.). Boyd and Fraser Pub. Co. Global Pub.
Lua i Stíl Chicago (17ú heag.)Pratt, Philip J., agus Joseph J. Adamski. Database Systems: Management and Design. 2nd ed. Boston, Mass., Manila: Boyd and Fraser Pub. Co. Global Pub, 1991.
Lua MLA (9ú heag.)Pratt, Philip J., agus Joseph J. Adamski. Database Systems: Management and Design. 2nd ed. Boyd and Fraser Pub. Co. Global Pub, 1991.
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