European Conference of Ministers of Transport. (1999). Cleaner cars fleet renewal and scrappage schemes. ECMT.
芝加哥风格引文European Conference of Ministers of Transport. Cleaner Cars Fleet Renewal and Scrappage Schemes. Paris, France: ECMT, 1999.
MLA引文European Conference of Ministers of Transport. Cleaner Cars Fleet Renewal and Scrappage Schemes. ECMT, 1999.
警告：这些引文格式不一定是100％准确.