Bhushan, Y. (1979). Business planning. Sultan Chand.
Cita Chicago (17th ed.)Bhushan, Y. Business Planning. New Delhi: Sultan Chand, 1979.
Cita MLA (9th ed.)Bhushan, Y. Business Planning. Sultan Chand, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.