Isichei, A. O. (2014). Nitrogen in Savanna Grass and Litter.
Cita Chicago (17th ed.)Isichei, Augustine O. Nitrogen in Savanna Grass and Litter. 2014.
Cita MLA (9th ed.)Isichei, Augustine O. Nitrogen in Savanna Grass and Litter. 2014.
Atenció: Aquestes cites poden no estar 100% correctes.