Gaya APA

L.Sarmiento, J. (1999). A US. Carbon cycle science plan: a report of the carbon and climate working group . Washingthon: Global Change Research Program.

Gaya MLA

L.Sarmiento, Jorge. "A US. Carbon cycle science plan: a report of the carbon and climate working group". Washingthon: Global Change Research Program, 1999. Cetak.