Ubom, R. M. (2014). Soil-Vegetation Interrelationships in Isoberlinia Woodlands of Northwestern Nigeria.
芝加哥风格引文Ubom, R. M. Soil-Vegetation Interrelationships in Isoberlinia Woodlands of Northwestern Nigeria. 2014.
MLA引文Ubom, R. M. Soil-Vegetation Interrelationships in Isoberlinia Woodlands of Northwestern Nigeria. 2014.
警告：这些引文格式不一定是100％准确.