APA

Mihm J. C., Berry W. B., Smith M. A., Phillips Petroleum Company, World Petroleum Congress (15th. : 1997 : Beijing), Berry W. B., Smith M. A. & Phillips Petroleum Company.Perspectives on issues for the polyethylene industry. : .

Chicago

Mihm John C, Berry W Bill, Smith Michael A, Phillips Petroleum Company, World Petroleum Congress (15th. : 1997 : Beijing), Berry W Bill, Smith Michael A and Phillips Petroleum Company.Perspectives on issues for the polyethylene industry. : .

Harvard

Mihm J. C., Berry W. B., Smith M. A., Phillips Petroleum Company, World Petroleum Congress (15th. : 1997 : Beijing), Berry W. B., Smith M. A. and Phillips Petroleum Company.Perspectives on issues for the polyethylene industry. : .

MLA

Mihm John C, Berry W Bill, Smith Michael A, Phillips Petroleum Company, World Petroleum Congress (15th. : 1997 : Beijing), Berry W Bill, Smith Michael A and Phillips Petroleum Company.: . .