(1998). Erap firm: Renegotiate PEA-Amari agreement. Philippine Daily Inquirer.
Dyfyniad Arddull Chicago"Erap Firm: Renegotiate PEA-Amari Agreement." Philippine Daily Inquirer 1998.
Dyfyniad MLA"Erap Firm: Renegotiate PEA-Amari Agreement." Philippine Daily Inquirer, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.