Cita APA

Celko, J. (2007). Joe Celko's SQL puzzles and answers. Amsterdam: Epsevier.

Chicago Style Citation

Celko, Joe. Joe Celko's SQL Puzzles and Answers. Amsterdam: Epsevier, 2007.

Cita MLA

Celko, Joe. Joe Celko's SQL Puzzles and Answers. Amsterdam: Epsevier, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.