Παραπομπή APA

Duffy, D. G. (2008). Mixed boundary value problems. Chapman & Hall/ CRC.

Παραπομπή Chicago Style

Duffy, Dean G. Mixed Boundary Value Problems. Boca Raton: Chapman & Hall/ CRC, 2008.

Παραπομπή MLA

Duffy, Dean G. Mixed Boundary Value Problems. Chapman & Hall/ CRC, 2008.