INDIA GOVERNMENT. (1991). HANDBOOK OF LABOUR STATISTICS. LABOUR CONSULTANCY BUREAU.
Cita Chicago (17th ed.)INDIA GOVERNMENT. HANDBOOK OF LABOUR STATISTICS. CHANDIGARH: LABOUR CONSULTANCY BUREAU, 1991.
Cita MLA (9th ed.)INDIA GOVERNMENT. HANDBOOK OF LABOUR STATISTICS. LABOUR CONSULTANCY BUREAU, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.