Gault. (2013). Beginning Oracle Application Express 4.2 (2.). Apress.
Chicago Style aipamenaGault. Beginning Oracle Application Express 4.2. 2. Apress, 2013.
MLA aipamenaGault. Beginning Oracle Application Express 4.2. 2. Apress, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.