APA-referens (7:e uppl.)
ebrary, Inc, Frankie, G. W., Mata, A., & Vinson, S. B. (2004). Biodiversity conservation in Costa Rica: Learning the lessons in a seasonal dry forest. University of California Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, G. W. Frankie, Alfonso Mata, och S. Bradleigh Vinson. Biodiversity Conservation in Costa Rica: Learning the Lessons in a Seasonal Dry Forest. Berkeley: University of California Press, 2004.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Biodiversity Conservation in Costa Rica: Learning the Lessons in a Seasonal Dry Forest. University of California Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.