Citação norma APA

(1967). National internal revenue code and allied special laws (in force and effect July 1,1939) (1967 3rd ed.). Central Book Supply.

Citação norma Chicago

National Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Manila: Central Book Supply, 1967.

Citação norma MLA

National Internal Revenue Code and Allied Special Laws (in Force and Effect July 1,1939). 1967 3rd ed. Central Book Supply, 1967.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.