GATES BILL. (1999). BUSINESS @ THE SPEED OF THOUGHT. PENGUIN BOOKS INDIA (P) LTD.
Chicagoスタイル(17版)引用形式GATES BILL. BUSINESS @ THE SPEED OF THOUGHT. LONDON: PENGUIN BOOKS INDIA (P) LTD, 1999.
MLA(9版)引用形式GATES BILL. BUSINESS @ THE SPEED OF THOUGHT. PENGUIN BOOKS INDIA (P) LTD, 1999.
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