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.