Gonzales, E. M. P. (2009). An authority file of Philippine Government Names of Executive Branch from the department level to the bureau level with historical notes and references.
Chicago-referens (17:e uppl.)Gonzales, Edilisa Marie P. An Authority File of Philippine Government Names of Executive Branch from the Department Level to the Bureau Level with Historical Notes and References. 2009.
MLA-referens (9:e uppl.)Gonzales, Edilisa Marie P. An Authority File of Philippine Government Names of Executive Branch from the Department Level to the Bureau Level with Historical Notes and References. 2009.
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