Cita APA (7th ed.)

Vassilakos, N. P. (1998). Energy-efficient industrial natural gas technologies and equipment. Office for Official Publications of the European Communities.

Cita Chicago (17th ed.)

Vassilakos, Nicholas P. Energy-efficient Industrial Natural Gas Technologies and Equipment. Luxembourg: Office for Official Publications of the European Communities, 1998.

Cita MLA (8th ed.)

Vassilakos, Nicholas P. Energy-efficient Industrial Natural Gas Technologies and Equipment. Office for Official Publications of the European Communities, 1998.