Zygierewicz, A., Egenhofer, C., Núñez Ferrer, J., Fawcett, T., Rosenow, J., & al, E. (2016). Implementation of the energy efficiency directive (2012/27/EU): Energy efficiency obligation schemes. European Parliamentary Research Service.
芝加哥风格引文Zygierewicz, A., C. Egenhofer, J. Núñez Ferrer, T. Fawcett, J. Rosenow, 与 Et al. Implementation of the Energy Efficiency Directive (2012/27/EU): Energy Efficiency Obligation Schemes. European Parliamentary Research Service, 2016.
MLA引文Zygierewicz, A., et al. Implementation of the Energy Efficiency Directive (2012/27/EU): Energy Efficiency Obligation Schemes. European Parliamentary Research Service, 2016.
警告:这些引文格式不一定是100%准确.