APA

Bath P., Burgh J. v. d., Ypma J., Shell, World Petroleum Congress (11th. : 1983 : London), Burgh J. v. d., Ypma J. & Shell.Enhanced oil recovery in north sea. : .

Chicago

Bath P.G.H, Burgh J van der, Ypma J.G.J, Shell, World Petroleum Congress (11th. : 1983 : London), Burgh J van der, Ypma J.G.J and Shell.Enhanced oil recovery in north sea. : .

Harvard

Bath P., Burgh J. v. d., Ypma J., Shell, World Petroleum Congress (11th. : 1983 : London), Burgh J. v. d., Ypma J. and Shell.Enhanced oil recovery in north sea. : .

MLA

Bath P.G.H, Burgh J van der, Ypma J.G.J, Shell, World Petroleum Congress (11th. : 1983 : London), Burgh J van der, Ypma J.G.J and Shell.: . .