Ruth, U. (2007). Dust concentration in the NGRIP ice core. PANGAEA.
Cita Chicago Style (17a ed.)Ruth, Urs. Dust Concentration in the NGRIP Ice Core. PANGAEA, 2007.
Cita MLA (9a ed.)Ruth, Urs. Dust Concentration in the NGRIP Ice Core. PANGAEA, 2007.
Precaución: Estas citas no son 100% exactas.