Não informado. (1964). Biceri Abstracts from Technical and Patent Publications. British Internal Combustion Engine Research Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Biceri Abstracts from Technical and Patent Publications. London: British Internal Combustion Engine Research Institute, 1964.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Biceri Abstracts from Technical and Patent Publications. British Internal Combustion Engine Research Institute, 1964.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.