Παραπομπή APA

Ling, H. C. (1975). The Petroleum industry of the people's republic of China. Stanford, Calif: Hoover Institution Press.

Παραπομπή Chicago Style

Ling, H. C. The Petroleum Industry of the People's Republic of China. Stanford, Calif: Hoover Institution Press, 1975.

Παραπομπή MLA

Ling, H. C. The Petroleum Industry of the People's Republic of China. Stanford, Calif: Hoover Institution Press, 1975.

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