RAO, P. &. W. (2008). Critical Infrastructure: An Overview. The ICFAI.
Chicago-čujuhus (17. p.)RAO, Pramod & Wawge. Critical Infrastructure: An Overview. Hydrabad: The ICFAI, 2008.
MLA-čujuhus (9. p.)RAO, Pramod & Wawge. Critical Infrastructure: An Overview. The ICFAI, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.