Kathur G & Korth HF. (2015). Data base system concepts. Mc graw Hill.
Chicago Style aipamenaKathur G and Korth HF. Data Base System Concepts. New Delhi: Mc graw Hill, 2015.
MLA aipamenaKathur G and Korth HF. Data Base System Concepts. Mc graw Hill, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.