Naseem, J. (1998). Hybrid and high yielding crop varieties in SAARC countires. SAARC Agricultural Information Centre.
Chicago-referens (17:e uppl.)Naseem, Jawed. Hybrid and High Yielding Crop Varieties in SAARC Countires. Bangladesh: SAARC Agricultural Information Centre, 1998.
MLA-referens (9:e uppl.)Naseem, Jawed. Hybrid and High Yielding Crop Varieties in SAARC Countires. SAARC Agricultural Information Centre, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.