APA
Osodeke V E, Asawalasm D O K, Kamalu O J & Ugwa I K. (1993). Phosphorus sorption characteristics of some soils of the rubber belt of Nigeria. : Communications in Soil Science and Plant Analysis.
Chicago
Osodeke V E, Asawalasm D O K, Kamalu O J and Ugwa I K. 1993. Phosphorus sorption characteristics of some soils of the rubber belt of Nigeria. : Communications in Soil Science and Plant Analysis.
Harvard
Osodeke V E, Asawalasm D O K, Kamalu O J and Ugwa I K. (1993). Phosphorus sorption characteristics of some soils of the rubber belt of Nigeria. : Communications in Soil Science and Plant Analysis.
MLA
Osodeke V E, Asawalasm D O K, Kamalu O J and Ugwa I K. Phosphorus sorption characteristics of some soils of the rubber belt of Nigeria. : Communications in Soil Science and Plant Analysis. 1993.