FLEISHMAN , E. E. (1995). EARTH'S CRUST: BE A SCIENTIST SERIES.
Cita Chicago (17th ed.)FLEISHMAN , E. ED. EARTH'S CRUST: BE A SCIENTIST SERIES. 1995.
Cita MLA (9th ed.)FLEISHMAN , E. ED. EARTH'S CRUST: BE A SCIENTIST SERIES. 1995.
Atenció: Aquestes cites poden no estar 100% correctes.