APA

Howard J., Bylandtlaan C. v., Shell, World Petroleum Congress (11th. : 1983 : London), Bylandtlaan C. v. & Shell.Safety in the petroleum industry. : .

Chicago

Howard J.E, Bylandtlaan Carel van, Shell, World Petroleum Congress (11th. : 1983 : London), Bylandtlaan Carel van and Shell.Safety in the petroleum industry. : .

Harvard

Howard J., Bylandtlaan C. v., Shell, World Petroleum Congress (11th. : 1983 : London), Bylandtlaan C. v. and Shell.Safety in the petroleum industry. : .

MLA

Howard J.E, Bylandtlaan Carel van, Shell, World Petroleum Congress (11th. : 1983 : London), Bylandtlaan Carel van and Shell.: . .