Levinson, D., & Lawrimore, J. A. State of the climate in 2007.
Chicago-čujuhus (17. p.)Levinson, D.H, juo J.H. Arguez Lawrimore. State of the Climate in 2007. Department of Commerce of United States of America.
MLA-čujuhus (9. p.)Levinson, D.H, juo J.H. Arguez Lawrimore. State of the Climate in 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.