APA aipamena

Powers, D. L. (1999). Boundary value problems (4th ed.). Academic press.

Chicago Style aipamena

Powers, David L. Boundary Value Problems. 4th ed. Academic press, 1999.

MLA aipamena

Powers, David L. Boundary Value Problems. 4th ed. Academic press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.