Morris, M. L. (2007). Fertilizer use in African agriculture: Lessons learned and good practice guidelines. World Bank.
Cytowanie według stylu Chicago (wyd. 17)Morris, Michael L. Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines. Washington, DC: World Bank, 2007.
Cytowanie według stylu MLA (wyd. 9)Morris, Michael L. Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines. World Bank, 2007.