Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.