Nong shang bu di zhi diao cha suo (China). Memoirs of the Geological Survey of China. Geological Survey of China, Ministry of Agriculture and Commerce.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNong shang bu di zhi diao cha suo (China). Memoirs of the Geological Survey of China. Peking: Geological Survey of China, Ministry of Agriculture and Commerce.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNong shang bu di zhi diao cha suo (China). Memoirs of the Geological Survey of China. Geological Survey of China, Ministry of Agriculture and Commerce.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.