(1967). National internal revenue code and allied special laws (in force and effect July 1,1939) (1967 3rd ed.). Central Book Supply.
芝加哥风格引文National Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Manila: Central Book Supply, 1967.
MLA引文National Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Central Book Supply, 1967.
警告：这些引文格式不一定是100％准确.