Gaya APA

Douglas, K., Douglas, S. (2003). Postgresql : A Comprehensive Guide To Building, Programming, And Administering Postgresql Databases (1st ed.). Indianapolis: Sams.

Gaya MLA

Douglas, Korry., Douglas, Susan. "Postgresql : A Comprehensive Guide To Building, Programming, And Administering Postgresql Databases". 1st ed. Indianapolis: Sams, 2003. Text.