(2004). Bill gates đã nói =: Bill Gates speaks. Thành phố Hồ Chí Minh: Trẻ.
শিকাগো স্টাইলে সাইটেশনBill Gates đã Nói =: Bill Gates Speaks. Thành phố Hồ Chí Minh: Trẻ, 2004.
এমএলএ সাইটেশনBill Gates đã Nói =: Bill Gates Speaks. Thành phố Hồ Chí Minh: Trẻ, 2004.
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