Gaya APA
PRAETORIUS, B., BAUKNECHT, D. (2009).
INNOVATION for sustainable electricity systems: .
Heidelberg:
Physica-Verlag.
Gaya MLA
PRAETORIUS, Barbara., BAUKNECHT, Dierk.
"INNOVATION for sustainable electricity systems:".
Heidelberg:
Physica-Verlag,
2009.
Text.