Mbaekwe, E. I., & Isichei, A. O. (2014). Ecology and Biology of Piliostigma Thonningii (Schum.) Milne-Redhead in the Guinea Savanna Zone of Nigeria. Obafemi Awolowo University.
Chicago-čujuhus (17. p.)Mbaekwe, Ebenezer Ike, juo A. O. Isichei. Ecology and Biology of Piliostigma Thonningii (Schum.) Milne-Redhead in the Guinea Savanna Zone of Nigeria. Obafemi Awolowo University, 2014.
MLA-čujuhus (9. p.)Mbaekwe, Ebenezer Ike, juo A. O. Isichei. Ecology and Biology of Piliostigma Thonningii (Schum.) Milne-Redhead in the Guinea Savanna Zone of Nigeria. Obafemi Awolowo University, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.