TATA SERVICES LIMITED. (1989). STATISTICAL OUTLINE OF INDIA 1989-90. TATA SERVICES LIMITED.
Chicago-čujuhus (17. p.)TATA SERVICES LIMITED. STATISTICAL OUTLINE OF INDIA 1989-90. BOMBAY: TATA SERVICES LIMITED, 1989.
MLA-čujuhus (9. p.)TATA SERVICES LIMITED. STATISTICAL OUTLINE OF INDIA 1989-90. TATA SERVICES LIMITED, 1989.
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