CRUZ W. (2001). PROTECTING THE GLOBAL ENVIRONMENT. WORLD BANK.
Chicago-čujuhus (17. p.)CRUZ W. PROTECTING THE GLOBAL ENVIRONMENT. WASHINGTON: WORLD BANK, 2001.
MLA-čujuhus (9. p.)CRUZ W. PROTECTING THE GLOBAL ENVIRONMENT. WORLD BANK, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.