Gaya APA

nations, F, A, A, O, O, T, U. (2005). Current world fertilizer trends and outlook to 2009/2010 . Rome: Food & Agriculture Organization of The United Nation.

Gaya MLA

nations, FOOD, And, Agriculture, Organization, Of, The, United. "Current world fertilizer trends and outlook to 2009/2010". Rome: Food & Agriculture Organization of The United Nation, 2005. Buku.