Johnston, J. E. R., & P. Beer Ferdinand. (1986). Mechanics for Engineers: Statics (photocopy) (Tái bản lần thứ 4.). American: McGraw -Hill.
শিকাগো স্টাইলে সাইটেশনJohnston, Jr E. Russell, এবং P. Beer Ferdinand. Mechanics for Engineers: Statics (photocopy). Tái bản lần thứ 4. American: McGraw -Hill, 1986.
এমএলএ সাইটেশনJohnston, Jr E. Russell, এবং P. Beer Ferdinand. Mechanics for Engineers: Statics (photocopy). Tái bản lần thứ 4. American: McGraw -Hill, 1986.
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