P. Horn, S. (1989). Prehistoric fires in the Chirripó highlands of Costa Rica: Sedimentary charcoal evidence.
Chicago-стиль цитированияP. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.
MLA-цитированиеP. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.