APA
Lau C H, Daud Mohd Napi & Lim C K. (1994). Comparison of three methods for determination of total nitrogen in fertilisers for Hevea. : Journal of Natural Rubber Research.
Chicago
Lau C H, Daud Mohd Napi and Lim C K. 1994. Comparison of three methods for determination of total nitrogen in fertilisers for Hevea. : Journal of Natural Rubber Research.
Harvard
Lau C H, Daud Mohd Napi and Lim C K. (1994). Comparison of three methods for determination of total nitrogen in fertilisers for Hevea. : Journal of Natural Rubber Research.
MLA
Lau C H, Daud Mohd Napi and Lim C K. Comparison of three methods for determination of total nitrogen in fertilisers for Hevea. : Journal of Natural Rubber Research. 1994.