APA (7 ম সংস্করণ) উদ্ধৃতি

Bartke, W. (1977). Oil in the People's Republic of China: Industry structure, production, exports. C. Hurst and Co.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bartke, Wolfgang. Oil in the People's Republic of China: Industry Structure, Production, Exports. C. Hurst and Co, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bartke, Wolfgang. Oil in the People's Republic of China: Industry Structure, Production, Exports. C. Hurst and Co, 1977.