APA (7e ed.) Bronvermelding

Pratt, P. J. (2001). A guide to SQL (5th ed.). Jemma.

Chicago (17e ed.) Bronvermelding

Pratt, Philip J. A Guide to SQL. 5th ed. Rizal: Jemma, 2001.

MLA (9e ed.) Bronvermelding

Pratt, Philip J. A Guide to SQL. 5th ed. Jemma, 2001.