APA aipamena

Isichei, A. O. (2014). Effects of Oil Industry Operations on Vegetation in Nigeria. Seems.

Chicago Style aipamena

Isichei, A. O. Effects of Oil Industry Operations on Vegetation in Nigeria. Seems, 2014.

MLA aipamena

Isichei, A. O. Effects of Oil Industry Operations on Vegetation in Nigeria. Seems, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.