Não informado. (1960). Quarterly Report of the Railway Technical Research Institute. Railway Technical Research Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Quarterly Report of the Railway Technical Research Institute. Kokubunji, Japão: Railway Technical Research Institute, 1960.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Quarterly Report of the Railway Technical Research Institute. Railway Technical Research Institute, 1960.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.