Pampanga Sugar Development Company, Inc. Report. [s.n.].
Cita Chicago (17th ed.)Pampanga Sugar Development Company, Inc. Report. San Fernando, Pampanga: [s.n.].
Cita MLA (9th ed.)Pampanga Sugar Development Company, Inc. Report. [s.n.].
Atenció: Aquestes cites poden no estar 100% correctes.