Mantua, M. R., & Mantua, M. F. R. (2003). A comprehensive reviewer for the civil service professional exam (2003 ed.). Mutya Pub. House.
Lua i Stíl Chicago (17ú heag.)Mantua, Mayflor Reyes, agus Mylene Fe Reyes Mantua. A Comprehensive Reviewer for the Civil Service Professional Exam. 2003 ed. Valenzuela City: Mutya Pub. House, 2003.
Lua MLA (9ú heag.)Mantua, Mayflor Reyes, agus Mylene Fe Reyes Mantua. A Comprehensive Reviewer for the Civil Service Professional Exam. 2003 ed. Mutya Pub. House, 2003.
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