Wood, S., Sebastian, K. L., & Scherr, S. J. (2000). Pilot analysis of global ecosystems: Agroecosystems. World Resources Institute.
Cita Chicago (17th ed.)Wood, Stanley, Katherine L. Sebastian, i Sara J. Scherr. Pilot Analysis of Global Ecosystems: Agroecosystems. Washington, D.C: World Resources Institute, 2000.
Cita MLA (9th ed.)Wood, Stanley, et al. Pilot Analysis of Global Ecosystems: Agroecosystems. World Resources Institute, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.