Singh . Prabhkar & B.S.Asati. (2020). Seed Production Technology of Vegetables (الطبعة الثانية.). Daya Publishhing House.
Cita Chicago (17th ed.)Singh . Prabhkar i B.S.Asati. Seed Production Technology of Vegetables. الطبعة الثانية. New Delhi: Daya Publishhing House, 2020.
Cita MLA (9th ed.)Singh . Prabhkar i B.S.Asati. Seed Production Technology of Vegetables. الطبعة الثانية. Daya Publishhing House, 2020.