Gaya APA
Henri,Blok, . (2004).
The Effectiveness of Plolicy Instruments for Energy Efficiency Improvement in firms .
Boston:
Kluwer Academic Publishers.
Gaya MLA
Henri,Blok, .
"The Effectiveness of Plolicy Instruments for Energy Efficiency Improvement in firms".
Boston:
Kluwer Academic Publishers,
2004.
Text.