Kumar, U. (1998). Synthetic seeds for commercial crop production. Agro Botanica.
Cita Chicago (17th ed.)Kumar, U. Synthetic Seeds for Commercial Crop Production. Bikaner: Agro Botanica, 1998.
Cita MLA (9th ed.)Kumar, U. Synthetic Seeds for Commercial Crop Production. Agro Botanica, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.