(1989). Wheat research and development in Pakistan. Pakistan Agricultural Research Council/CIMMYT Collaborative Program.
Cita Chicago (17th ed.)Wheat Research and Development in Pakistan. Mexico, D.F: Pakistan Agricultural Research Council/CIMMYT Collaborative Program, 1989.
Cita MLA (9th ed.)Wheat Research and Development in Pakistan. Pakistan Agricultural Research Council/CIMMYT Collaborative Program, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.