Cita APA

Portilla, R. (2003). Foolish to exploit energy in ethical protected areas.

Chicago Style Citation

Portilla, Rolando. Foolish to Exploit Energy in Ethical Protected Areas. 2003.

Cita MLA

Portilla, Rolando. Foolish to Exploit Energy in Ethical Protected Areas. 2003.

Atenció: Aquestes cites poden no estar 100% correctes.