Huaylupo Alcázar, J. (2007). Economy, Society, and the Environment.
Chicago Style aipamenaHuaylupo Alcázar, Juan. Economy, Society, and the Environment. 2007.
MLA aipamenaHuaylupo Alcázar, Juan. Economy, Society, and the Environment. 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.