APA
Johansen C., Lee J. & Sahrawat K. (1991). Phosphorus nutrition of grain legumes in the Semi-Arid Tropics. Andhra Pradesh: International Crops Research Institute for the Semi-Arid Tropics.
Chicago
Johansen C, Lee J.k and Sahrawat K.l. 1991. Phosphorus nutrition of grain legumes in the Semi-Arid Tropics. Andhra Pradesh: International Crops Research Institute for the Semi-Arid Tropics.
Harvard
Johansen C., Lee J. and Sahrawat K. (1991). Phosphorus nutrition of grain legumes in the Semi-Arid Tropics. Andhra Pradesh: International Crops Research Institute for the Semi-Arid Tropics.
MLA
Johansen C, Lee J.k and Sahrawat K.l. Phosphorus nutrition of grain legumes in the Semi-Arid Tropics. Andhra Pradesh: International Crops Research Institute for the Semi-Arid Tropics. 1991.