Sanford, W. W., Usman, S., Obot, E. O., Isichei, A. O., & Wari, M. (2014). Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna.
Chicago-viite (17. p.)Sanford, William W., Sugei Usman, Emmanuel O. Obot, Augustine O. Isichei, ja Musa Wari. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.
MLA-viite (9. p.)Sanford, William W., et al. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.
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