APA-čujuhus (7. p.)
De, B. K. (2011). Introduction to energy management (2nd ed.). Virinda Pub.
Chicago-čujuhus (17. p.)
De, Barun Kumar. Introduction to Energy Management. 2nd ed. Delhi: Virinda Pub, 2011.
MLA-čujuhus (9. p.)
De, Barun Kumar. Introduction to Energy Management. 2nd ed. Virinda Pub, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.