Guzman, O. (1987). Energy efficiency and conservation in: Mexico. London.
Chicago-čujuhus (17. p.)Guzman, Oscar. Energy Efficiency and Conservation in: Mexico. Boulder: London, 1987.
MLA-čujuhus (9. p.)Guzman, Oscar. Energy Efficiency and Conservation in: Mexico. London, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.