INDIA GOVERNMENT. (1991). INDIA 1991: A REFERENCE ANNUAL. GOVERNMENT OF INDIA.
Cita Chicago (17th ed.)INDIA GOVERNMENT. INDIA 1991: A REFERENCE ANNUAL. NEW DELHI: GOVERNMENT OF INDIA, 1991.
Cita MLA (9th ed.)INDIA GOVERNMENT. INDIA 1991: A REFERENCE ANNUAL. GOVERNMENT OF INDIA, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.