(1977). Bangladesh University of Engineering and Technolgy. The Publication and Information section, office of the directior of advisory, extension and research service,BUET.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBangladesh University of Engineering and Technolgy. Dhaka: The Publication and Information section, office of the directior of advisory, extension and research service,BUET, 1977.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBangladesh University of Engineering and Technolgy. The Publication and Information section, office of the directior of advisory, extension and research service,BUET, 1977.
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