(1967). National internal revenue code and allied special laws (in force and effect July 1,1939) (1967 3rd ed.). Central Book Supply.
Chicago Style (17th ed.) CitationNational Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Manila: Central Book Supply, 1967.
ציטוט MLANational Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Central Book Supply, 1967.
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