McMullan, J. T. (1976). Energy resources and supply. Wiley Eastern.
Dyfyniad Arddull ChicagoMcMullan, John T. Energy Resources and Supply. London: Wiley Eastern, 1976.
Dyfyniad MLAMcMullan, John T. Energy Resources and Supply. Wiley Eastern, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.