APA
Umaña-Quesada A., Martinez-Alier J. & Hurst C.Energy economics. [s.l.]: [s.n.].
Chicago
Umaña-Quesada Alvaro, Martinez-Alier Juan and Hurst Christopher.Energy economics. [s.l.]: [s.n.].
Harvard
Umaña-Quesada A., Martinez-Alier J. and Hurst C.Energy economics. [s.l.]: [s.n.].
MLA
Umaña-Quesada Alvaro, Martinez-Alier Juan and Hurst Christopher.[s.l.]: [s.n.]. .
