APA (7e ed.) Bronvermelding

Oke, S. O., & Isichei, A. O. (2014). Yield and Nitrogen Accumulation by Andropogon gayanus and Schizachyrium sanguineum Grown under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture.

Chicago (17e ed.) Bronvermelding

Oke, Samson O., en Augustine O. Isichei. Yield and Nitrogen Accumulation by Andropogon Gayanus and Schizachyrium Sanguineum Grown Under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture. 2014.

MLA (9e ed.) Bronvermelding

Oke, Samson O., en Augustine O. Isichei. Yield and Nitrogen Accumulation by Andropogon Gayanus and Schizachyrium Sanguineum Grown Under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture. 2014.