SpringerLink (Online service), Yamano, T., Otsuka, K., & Place, F. (2011). Emerging development of agriculture in East Africa: Markets, soil, and innovations. Springer eBooks..
Chicago-viite (17. p.)SpringerLink (Online service), Takashi Yamano, Keijiro Otsuka, ja Frank Place. "Emerging Development of Agriculture in East Africa: Markets, Soil, and Innovations." Springer EBooks. 2011.
MLA-viite (9. p.)SpringerLink (Online service), et al. "Emerging Development of Agriculture in East Africa: Markets, Soil, and Innovations." Springer EBooks., 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.