Estrada, E. (2000). Atienza to tow firms: Shape up! Manila Times.
Cita Chicago (17th ed.)Estrada, Eric. "Atienza to Tow Firms: Shape Up!" Manila Times 2000.
Cita MLA (9th ed.)Estrada, Eric. "Atienza to Tow Firms: Shape Up!" Manila Times, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.