Pratt, P. J. (1995). A guide to SQL: Instructor's manual with test item file and transparency masters. Boyd & Fraser Pub.
Čikaški stil citiranja (17. izdanje)Pratt, Philip J. A Guide to SQL: Instructor's Manual with Test Item File and Transparency Masters. Danvers, Massachussetts: Boyd & Fraser Pub, 1995.
MLA način citiranja (9. izdanje)Pratt, Philip J. A Guide to SQL: Instructor's Manual with Test Item File and Transparency Masters. Boyd & Fraser Pub, 1995.
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