Gopalakrishnan,TR, & Indra,P. (2006). Vegetable and tuber crop varieties. Kerala Agricultural University.
استشهاد بنمط شيكاغوGopalakrishnan,TR, و Indra,P. Vegetable and Tuber Crop Varieties. vellanikkara: Kerala Agricultural University, 2006.
MLA استشهادGopalakrishnan,TR, و Indra,P. Vegetable and Tuber Crop Varieties. Kerala Agricultural University, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.