Challoner Jack. Rockes, minerals and the changing earth. Southwater.
Cita Chicago (17th ed.)Challoner Jack. Rockes, Minerals and the Changing Earth. Southwater.
Cita MLA (9th ed.)Challoner Jack. Rockes, Minerals and the Changing Earth. Southwater.
Atenció: Aquestes cites poden no estar 100% correctes.