Philippines. Department of Energy. (2010). Directing the Preparations for the Trading of Ancillary Services in the Philippine Wholesale Electricity Spot Market ("WESM"). Philippine Daily Inquirer.
Chicago-Zitierstil (17. Ausg.)Philippines. Department of Energy. "Directing the Preparations for the Trading of Ancillary Services in the Philippine Wholesale Electricity Spot Market ("WESM")." Philippine Daily Inquirer 2010.
MLA-Zitierstil (9. Ausg.)Philippines. Department of Energy. "Directing the Preparations for the Trading of Ancillary Services in the Philippine Wholesale Electricity Spot Market ("WESM")." Philippine Daily Inquirer, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.