Cita APA (7th ed.)

Campbell, P. (1994). Permanent magnet materials and their application. Cambridge University Press.

Cita Chicago (17th ed.)

Campbell, Peter. Permanent Magnet Materials and Their Application. Cambridge [England]: Cambridge University Press, 1994.

Cita MLA (9th ed.)

Campbell, Peter. Permanent Magnet Materials and Their Application. Cambridge University Press, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.