Raya, D. E. A. Concentration ratios, financial leverage and profitability: The case of selected Philippine corporations, 1997-2006. Philippine Management Review.
Cita Chicago (17th ed.)Raya, Danilo Erwin A. "Concentration Ratios, Financial Leverage and Profitability: The Case of Selected Philippine Corporations, 1997-2006." Philippine Management Review .
Cita MLA (9th ed.)Raya, Danilo Erwin A. "Concentration Ratios, Financial Leverage and Profitability: The Case of Selected Philippine Corporations, 1997-2006." Philippine Management Review, .
Atenció: Aquestes cites poden no estar 100% correctes.