Não informado. (1978). Journal of the Chartered Institution of Building Services. Building Services Publications.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of the Chartered Institution of Building Services. London: Building Services Publications, 1978.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of the Chartered Institution of Building Services. Building Services Publications, 1978.
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