Παραπομπή APA

Pyefinch, M. (1999). SQL from the ground up. Tata McGraw Hill.

Παραπομπή Chicago Style

Pyefinch, Mary. SQL from the Ground Up. New Delhi: Tata McGraw Hill, 1999.

Παραπομπή MLA

Pyefinch, Mary. SQL from the Ground Up. Tata McGraw Hill, 1999.