Professional. (2019). Petroleum Act, 1934 alongwith Rules, 2002. Professional Book Publishers.
Chicago-čujuhus (17. p.)Professional. Petroleum Act, 1934 Alongwith Rules, 2002. Professional Book Publishers, 2019.
MLA-čujuhus (9. p.)Professional. Petroleum Act, 1934 Alongwith Rules, 2002. Professional Book Publishers, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.