APA

Sharp D. A., CS Resources (Canadá), World Petroleum Congress (13th. : 1991 : Buenos Aires) & CS Resources (Canadá).The application of horizontal production systems. : .

Chicago

Sharp Dennis A, CS Resources (Canadá), World Petroleum Congress (13th. : 1991 : Buenos Aires) and CS Resources (Canadá).The application of horizontal production systems. : .

Harvard

Sharp D. A., CS Resources (Canadá), World Petroleum Congress (13th. : 1991 : Buenos Aires) and CS Resources (Canadá).The application of horizontal production systems. : .

MLA

Sharp Dennis A, CS Resources (Canadá), World Petroleum Congress (13th. : 1991 : Buenos Aires) and CS Resources (Canadá).: . .