Philippine Business Profiles and Perspectives, Inc. (2012). Top 15000 corporations : the Philippine economy: Reaching the tipping point (Business Profiles 2012-13 edition.). PBPPI.
Čikaški stil citiranja (17. izdanje)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.
MLA način citiranja (9. izdanje)Philippine Business Profiles and Perspectives, Inc. Top 15000 Corporations : The Philippine Economy: Reaching the Tipping Point. Business Profiles 2012-13 edition. PBPPI, 2012.
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