Javaid, A., Shafique, S., & Shafique, S. (2009). Comparison of Trifolium alexandrinum L. and Parthenium hysterophorus L. Green Manures in Rice–Wheat Cropping System. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
Cita Chicago (17th ed.)Javaid, Arshad, Sobiya Shafique, i Shazia Shafique. "Comparison of Trifolium Alexandrinum L. and Parthenium Hysterophorus L. Green Manures in Rice–Wheat Cropping System." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2009.
Cita MLA (9th ed.)Javaid, Arshad, et al. "Comparison of Trifolium Alexandrinum L. and Parthenium Hysterophorus L. Green Manures in Rice–Wheat Cropping System." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2009.