@book{navathe2012sgbd,
  title={Sistemas de banco de dados},
  author={Elmasri, Ramez and Navathe, Shamkant B},
  edition={Trad. 6 ed.},
  year={2012},
  publisher={Pearson},
  address={São Paulo},
  ISBN={978-85-7936-085-5}
}