Malakhov, A. (1965). The Mystery of the earth's mantle. Peace Pub.
Cita Chicago (17th ed.)Malakhov, A. The Mystery of the Earth's Mantle. Moscow: Peace Pub, 1965.
Cita MLA (9th ed.)Malakhov, A. The Mystery of the Earth's Mantle. Peace Pub, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.