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Lua i Stíl Chicago (17ú heag.)Isichei, A. O., W. W. Sanford, agus T. Rosswall. Nitrogen Loss by Burning from Nigerian Grassland Ecosystems. Royal Swedish Academy of Sciences, 2014.
Lua MLA (9ú heag.)Isichei, A. O., et al. Nitrogen Loss by Burning from Nigerian Grassland Ecosystems. Royal Swedish Academy of Sciences, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.