KERROD , R. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
Cita Chicago Style (17a ed.)KERROD , ROBBIN. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
Cita MLA (9a ed.)KERROD , ROBBIN. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
Precaución: Estas citas no son 100% exactas.