Macey, A. (1975). The vegetation of Volcán Poás National Park, Costa Rica.
Chicago Style CitationMacey, Anne. The Vegetation of Volcán Poás National Park, Costa Rica. 1975.
Cita MLAMacey, Anne. The Vegetation of Volcán Poás National Park, Costa Rica. 1975.
Atenció: Aquestes cites poden no estar 100% correctes.