| 1 | Plant Breeding and Farmer Participation, S. Ceccarelli, E.P. Guimaraes, E. Weltzien, Food and Agriculture Organization of the United Nations (FAO), 2009, 671 s. |
| 2 | Principles of Plant Genetics and Breeding, G. Acquaah, Blackwell Publishing, 2007, 569 s. |
| 3 | Handbook of Seed Science and Technology, A.S. Basra, Haworth Press, 2006, 795 s. |