Παραπομπή σε μορφή APA (7η εκδ.)

Matei, A., & Sofonea, M. (2009). Variational Inequalities with Applications: A Study of Antiplane Frictional Contact Problems. Springer New York.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Matei, Andaluzia, και Mircea Sofonea. Variational Inequalities with Applications: A Study of Antiplane Frictional Contact Problems. New York, NY: Springer New York, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Matei, Andaluzia, και Mircea Sofonea. Variational Inequalities with Applications: A Study of Antiplane Frictional Contact Problems. Springer New York, 2009.