Cita APA (7th ed.)
ebrary, Inc, Morris, M. L., Kelly, V. A., & Kopicki, R. J. (2006). Promoting increased fertilizer use in Africa: Lessons learned and good practice guidelines. World Bank Africa Region.
Cita Chicago (17th ed.)
ebrary, Inc, Michael L. Morris, Valerie Auserehl Kelly, i Ron J. Kopicki. Promoting Increased Fertilizer Use in Africa: Lessons Learned and Good Practice Guidelines. Washington, D.C.: World Bank Africa Region, 2006.
Cita MLA (9th ed.)
ebrary, Inc, et al. Promoting Increased Fertilizer Use in Africa: Lessons Learned and Good Practice Guidelines. World Bank Africa Region, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.