Jain R.K & Rao Sunil S. (1979). Industrial Safety, Health and Management Systems (N/A.). KHANNA PUBLISHERS.
Cita Chicago (17th ed.)Jain R.K i Rao Sunil S. Industrial Safety, Health and Management Systems. N/A. New Delhi: KHANNA PUBLISHERS, 1979.
Cita MLA (9th ed.)Jain R.K i Rao Sunil S. Industrial Safety, Health and Management Systems. N/A. KHANNA PUBLISHERS, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.