APA (7e ed.) Bronvermelding

Beaulien , A. (2009). Learning SQL. 2e (2.). Shroff.

Chicago (17e ed.) Bronvermelding

Beaulien , Alan. Learning SQL. 2e. 2. Navi Mumbai: Shroff, 2009.

MLA (9e ed.) Bronvermelding

Beaulien , Alan. Learning SQL. 2e. 2. Shroff, 2009.