PERRY, R. H. (1959). Engineering manual: A Practical reference of data and methods in architectural, Chemical, Civil, electrical, mechanical, and nuclear engineering. McGraw-Hill.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPERRY, Robert H. Engineering Manual: A Practical Reference of Data and Methods in Architectural, Chemical, Civil, Electrical, Mechanical, and Nuclear Engineering. New York: McGraw-Hill, 1959.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPERRY, Robert H. Engineering Manual: A Practical Reference of Data and Methods in Architectural, Chemical, Civil, Electrical, Mechanical, and Nuclear Engineering. McGraw-Hill, 1959.
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