APA-Zitierstil (7. Ausg.)

Celko, J. (2012). Joe Celko's trees and hierarchies in SQL for smarties (2nd ed.). Morgan Kaufmann.

Chicago-Zitierstil (17. Ausg.)

Celko, Joe. Joe Celko's Trees and Hierarchies in SQL for Smarties. 2nd ed. San Francisco, Calif: Morgan Kaufmann, 2012.

MLA-Zitierstil (9. Ausg.)

Celko, Joe. Joe Celko's Trees and Hierarchies in SQL for Smarties. 2nd ed. Morgan Kaufmann, 2012.