Joint Engineering Conference London, England, Institution of Civil Engineers (Great Britain), Institution of Mechanical Engineers (Great Britain), & Institution of Electrical Engineers. (1950). Proceedings of the Joint Engineering Conference: 1951. the Institution of Civil Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিJoint Engineering Conference London, England, Institution of Civil Engineers (Great Britain), Institution of Mechanical Engineers (Great Britain), এবং Institution of Electrical Engineers. Proceedings of the Joint Engineering Conference: 1951. London: the Institution of Civil Engineers, 1950.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিJoint Engineering Conference London, England, et al. Proceedings of the Joint Engineering Conference: 1951. the Institution of Civil Engineers, 1950.