APA-viite (7. p.)

Gottlob, G., Leone, N., & Scarcello, F. (2003). Robbers‚ marshals‚ and guards: Game theoretic and logical characterizations of hypertree width.

Chicago-viite (17. p.)

Gottlob, G., N. Leone, ja F. Scarcello. Robbers‚ Marshals‚ and Guards: Game Theoretic and Logical Characterizations of Hypertree Width. 2003.

MLA-viite (9. p.)

Gottlob, G., et al. Robbers‚ Marshals‚ and Guards: Game Theoretic and Logical Characterizations of Hypertree Width. 2003.