Giannakidis, G., & Siakkis, P. (2003). Energy, transport and environment indicators: Data 1990-2000. 2003 edition ([1st ed.].). Office for Official Publications of the European Communities.
Chicago-Zitierstil (17. Ausg.)Giannakidis, G., und Philip Siakkis. Energy, Transport and Environment Indicators: Data 1990-2000. 2003 Edition. [1st ed.]. Luxembourg: Office for Official Publications of the European Communities, 2003.
MLA-Zitierstil (9. Ausg.)Giannakidis, G., und Philip Siakkis. Energy, Transport and Environment Indicators: Data 1990-2000. 2003 Edition. [1st ed.]. Office for Official Publications of the European Communities, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.