APA

Xing-guo F., Qing-wei Z., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Qing-wei Z.Market forecast and technical requirement of petrochina's lubricating oil industry. : .

Chicago

Xing-guo Fu, Qing-wei Zhang, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Qing-wei Zhang.Market forecast and technical requirement of petrochina's lubricating oil industry. : .

Harvard

Xing-guo F., Qing-wei Z., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Qing-wei Z.Market forecast and technical requirement of petrochina's lubricating oil industry. : .

MLA

Xing-guo Fu, Qing-wei Zhang, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Qing-wei Zhang.: . .