APA stil citiranja

Ullman, J. D. (1988). Principles of database and knowledge-base systems: Principles of database and knowledge-base systems. Rockville, Maryland: Computer Science Press.

Chicago stil citiranja

Ullman, Jeffrey D. Principles of database and knowledge-base systems: Principles of database and knowledge-base systems. Rockville, Maryland: Computer Science Press, 1988.

MLA stil citiranja

Ullman, Jeffrey D. Principles of database and knowledge-base systems: Principles of database and knowledge-base systems. Rockville, Maryland: Computer Science Press, 1988.