APA

Yen T. F., University of Southern California. School of Engineering, World Petroleum Congress (15th. : 1997 : Beijing) & University of Southern California. School of Engineering.Upgrading through cavitation and surfactant. : .

Chicago

Yen Tah Fu, University of Southern California. School of Engineering, World Petroleum Congress (15th. : 1997 : Beijing) and University of Southern California. School of Engineering.Upgrading through cavitation and surfactant. : .

Harvard

Yen T. F., University of Southern California. School of Engineering, World Petroleum Congress (15th. : 1997 : Beijing) and University of Southern California. School of Engineering.Upgrading through cavitation and surfactant. : .

MLA

Yen Tah Fu, University of Southern California. School of Engineering, World Petroleum Congress (15th. : 1997 : Beijing) and University of Southern California. School of Engineering.: . .