Allen, W. (2001). Green Phoenix: Restoring the tropical forests of Guanacaste, Costa Rica. Oxford University Press.
芝加哥风格引文Allen, William. Green Phoenix: Restoring the Tropical Forests of Guanacaste, Costa Rica. Oxford: Oxford University Press, 2001.
MLA引文Allen, William. Green Phoenix: Restoring the Tropical Forests of Guanacaste, Costa Rica. Oxford University Press, 2001.
警告：这些引文格式不一定是100％准确.