APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Sanford, William W., Sugei Usman, Emmanuel O. Obot, Augustine O. Isichei, en Musa Wari. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.

MLA (9e ed.) Bronvermelding

Sanford, William W., et al. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.