APA Style
Birkeland, Bjorn Harald. (1997).
Economic geography of energy .
:
IFP School Centre Economic at Gestion.
Chicago Style
Birkeland, Bjorn Harald.
Economic geography of energy.
:
IFP School Centre Economic at Gestion,
1997.
Text.
MLA Style
Birkeland, Bjorn Harald.
Economic geography of energy.
:
IFP School Centre Economic at Gestion,
1997.
Text.
Turabian Style
Birkeland, Bjorn Harald.
Economic geography of energy.
:
IFP School Centre Economic at Gestion,
1997.
Print.