Basic Petroleum and Minerals, Inc. annual report. Basic Petroleum and Minerals.
Cita Chicago (17th ed.)Basic Petroleum and Minerals, Inc. Annual Report. [Makati, Metro Manila]: Basic Petroleum and Minerals.
Cita MLA (9th ed.)Basic Petroleum and Minerals, Inc. Annual Report. Basic Petroleum and Minerals.
Atenció: Aquestes cites poden no estar 100% correctes.