TATA MCGRAW-HILL. (1994). TATA MCGRAW-HILLS WORLD TODAY: A QUIZ AN THE CONTEMPORY WORLD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-referens (17:e uppl.)TATA MCGRAW-HILL. TATA MCGRAW-HILLS WORLD TODAY: A QUIZ AN THE CONTEMPORY WORLD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1994.
MLA-referens (9:e uppl.)TATA MCGRAW-HILL. TATA MCGRAW-HILLS WORLD TODAY: A QUIZ AN THE CONTEMPORY WORLD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1994.
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