European Commission. Directorate-General Transport. (1999). VASME: Value added services for maritime environment. Office for Official Publications of the European Communities ; Bernan Associates [distributor].
芝加哥风格引文European Commission. Directorate-General Transport. VASME: Value Added Services for Maritime Environment. Luxembourg : Lanham, Md.: Office for Official Publications of the European Communities ; Bernan Associates [distributor], 1999.
MLA引文European Commission. Directorate-General Transport. VASME: Value Added Services for Maritime Environment. Office for Official Publications of the European Communities ; Bernan Associates [distributor], 1999.
警告：这些引文格式不一定是100％准确.