APA-viite (7. p.)

Piper, J. A. (1987). Palaeomagnetism and the continental crust. sity pr.; New York: Halsted Pr..

Chicago-viite (17. p.)

Piper, J.D. A. Palaeomagnetism and the Continental Crust. Milton Keynes: Open Univer-: sity pr.; New York: Halsted Pr., 1987.

MLA-viite (9. p.)

Piper, J.D. A. Palaeomagnetism and the Continental Crust. sity pr.; New York: Halsted Pr., 1987.