APA aipamena

(2002).  Inventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000.  U.S. Environmental Protection Agency.

Chicago Style aipamena

 Inventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000.  U.S. Environmental Protection Agency, 2002.

MLA aipamena

 Inventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000.  U.S. Environmental Protection Agency, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.