Isichei, A. O. (2014). Effects of Oil Industry Operations on Vegetation in Nigeria. Seems.
Čikaški stil citiranja (17. izdanje)Isichei, A. O. Effects of Oil Industry Operations on Vegetation in Nigeria. Seems, 2014.
MLA način citiranja (9. izdanje)Isichei, A. O. Effects of Oil Industry Operations on Vegetation in Nigeria. Seems, 2014.
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