APA

Yeung C., Dautzenberg F., Shell, World Petroleum Congress (11th. : 1983 : London), Dautzenberg F. & Shell.Adaptation of canadian refineries to the use of synthetic crudes. : .

Chicago

Yeung Columba, Dautzenberg F.M, Shell, World Petroleum Congress (11th. : 1983 : London), Dautzenberg F.M and Shell.Adaptation of canadian refineries to the use of synthetic crudes. : .

Harvard

Yeung C., Dautzenberg F., Shell, World Petroleum Congress (11th. : 1983 : London), Dautzenberg F. and Shell.Adaptation of canadian refineries to the use of synthetic crudes. : .

MLA

Yeung Columba, Dautzenberg F.M, Shell, World Petroleum Congress (11th. : 1983 : London), Dautzenberg F.M and Shell.: . .