Leffler, J. (1991). Using INFORMATION-SQL (2nd ed.). Addison-Wesley.
Chicago Style (17th ed.) CitationLeffler, Jonathan. Using INFORMATION-SQL. 2nd ed. New York: Addison-Wesley, 1991.
MLA (9th ed.) CitationLeffler, Jonathan. Using INFORMATION-SQL. 2nd ed. Addison-Wesley, 1991.
Warning: These citations may not always be 100% accurate.