Sanford, W. W., Usman, S., Obot, E. O., Isichei, A. O., & Wari, M. (2014). Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna.
Lua i Stíl Chicago (17ú heag.)Sanford, William W., Sugei Usman, Emmanuel O. Obot, Augustine O. Isichei, agus Musa Wari. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.
Lua MLA (9ú heag.)Sanford, William W., et al. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.