APA stil citiranja

Fensel, D. (1995). The knowledge acquisition and representation language, KARL: The knowledge acquisition and representation language, KARL. Boston: Kluwer Academic Publishers.

Chicago stil citiranja

Fensel, Dieter. The knowledge acquisition and representation language, KARL: The knowledge acquisition and representation language, KARL. Boston: Kluwer Academic Publishers, 1995.

MLA stil citiranja

Fensel, Dieter. The knowledge acquisition and representation language, KARL: The knowledge acquisition and representation language, KARL. Boston: Kluwer Academic Publishers, 1995.