Παραπομπή σε μορφή APA (7η εκδ.)

Gottlob, G., Greco, G., & Scarcello, F. (2005). The Complexity of Quantified Constraint Satisfaction Problems under Structural Restrictions. Professional Book Center.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gottlob, G., G. Greco, και F. Scarcello. The Complexity of Quantified Constraint Satisfaction Problems Under Structural Restrictions. Professional Book Center, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gottlob, G., et al. The Complexity of Quantified Constraint Satisfaction Problems Under Structural Restrictions. Professional Book Center, 2005.