SINGH AMARJIT. (1988). INDUSTRIAL ECONOMICS. HIMALAYA PUBLISHING HOUSE.
Cita Chicago (17th ed.)SINGH AMARJIT. INDUSTRIAL ECONOMICS. BOMBAY: HIMALAYA PUBLISHING HOUSE, 1988.
Cita MLA (9th ed.)SINGH AMARJIT. INDUSTRIAL ECONOMICS. HIMALAYA PUBLISHING HOUSE, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.