Singh . Prabhkar & B.S.Asati. (2020). Seed Production Technology of Vegetables (الطبعة الثانية.). Daya Publishhing House.
Citazione stile Chigago Style (17a edizione)Singh . Prabhkar e B.S.Asati. Seed Production Technology of Vegetables. الطبعة الثانية. New Delhi: Daya Publishhing House, 2020.
Citatione MLA (9a ed.)Singh . Prabhkar e B.S.Asati. Seed Production Technology of Vegetables. الطبعة الثانية. Daya Publishhing House, 2020.