BARBACK, R. (1964). Pricing of Manufactures. Macmillan.
Cita Chicago (17th ed.)BARBACK, R.H. Pricing of Manufactures. London: Macmillan, 1964.
Cita MLA (9th ed.)BARBACK, R.H. Pricing of Manufactures. Macmillan, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.