Singh, P. Principles of Seed Technology (BP-1420/15.). Kalyani Publishers.
Cita Chicago (17th ed.)Singh, Phundan. Principles of Seed Technology. BP-1420/15. Ludhiana: Kalyani Publishers.
Cita MLA (9th ed.)Singh, Phundan. Principles of Seed Technology. BP-1420/15. Kalyani Publishers.
Atenció: Aquestes cites poden no estar 100% correctes.