(2011). GLOSSARY of Geology. American Geosciences Institute.
Chicago-čujuhus (17. p.)GLOSSARY of Geology. American Geosciences Institute, 2011.
MLA-čujuhus (9. p.)GLOSSARY of Geology. American Geosciences Institute, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.