(2002). Inventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000. U.S. Environmental Protection Agency.
استشهاد بنمط شيكاغوInventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000. U.S. Environmental Protection Agency, 2002.
MLA استشهادInventory of U.S. Greenhouse Gas Emossions and Sinks: 1990 - 2000. U.S. Environmental Protection Agency, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.