Chissano Joaquim Alberto. Petroleum law No. 3/2001 of 21 February.
Chicago-čujuhus (17. p.)Chissano Joaquim Alberto. Petroleum Law No. 3/2001 of 21 February.
MLA-čujuhus (9. p.)Chissano Joaquim Alberto. Petroleum Law No. 3/2001 of 21 February.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.