(2007). Annual report 2006-07: All India co-ordinated research project on cropping systems research. Cropping Systems Research Centre, Kerala Agricultural University.
استشهاد بنمط شيكاغوAnnual Report 2006-07: All India Co-ordinated Research Project on Cropping Systems Research. Karamana,Thiruvananthapuram: Cropping Systems Research Centre, Kerala Agricultural University, 2007.
MLA استشهادAnnual Report 2006-07: All India Co-ordinated Research Project on Cropping Systems Research. Cropping Systems Research Centre, Kerala Agricultural University, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.