Philippine Business Profiles and Perspectives, Inc. (2012). Top 15000 corporations : the Philippine economy: Reaching the tipping point (Business Profiles 2012-13 edition.). PBPPI.
Cita Chicago (17th ed.)Philippine Business Profiles and Perspectives, Inc. Top 15000 Corporations : The Philippine Economy: Reaching the Tipping Point. Business Profiles 2012-13 edition. Pasig City: PBPPI, 2012.
Cita MLA (9th ed.)Philippine Business Profiles and Perspectives, Inc. Top 15000 Corporations : The Philippine Economy: Reaching the Tipping Point. Business Profiles 2012-13 edition. PBPPI, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.