V. Walker Beth. (2003). An Employee's Guide to Stock Options (In lần thứ 1.). American: MC Graw Hill.
শিকাগো স্টাইলে সাইটেশনV. Walker Beth. An Employee's Guide to Stock Options. In lần thứ 1. American: MC Graw Hill, 2003.
এমএলএ সাইটেশনV. Walker Beth. An Employee's Guide to Stock Options. In lần thứ 1. American: MC Graw Hill, 2003.
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