APA

Semal J., . (1986). Somaclonal variations and crop improvement : Proceedings of a seminar in the CEC Programme of Coordination of Research on Plant Protection Improvement, held in Gembloux, Belgium, 3-5 September, 1985. Boston: Martinus Nijhoff Publishers.

Chicago

Semal Jean, . 1986. Somaclonal variations and crop improvement : Proceedings of a seminar in the CEC Programme of Coordination of Research on Plant Protection Improvement, held in Gembloux, Belgium, 3-5 September, 1985. Boston: Martinus Nijhoff Publishers.

Harvard

Semal J., . (1986). Somaclonal variations and crop improvement : Proceedings of a seminar in the CEC Programme of Coordination of Research on Plant Protection Improvement, held in Gembloux, Belgium, 3-5 September, 1985. Boston: Martinus Nijhoff Publishers.

MLA

Semal Jean, . Somaclonal variations and crop improvement : Proceedings of a seminar in the CEC Programme of Coordination of Research on Plant Protection Improvement, held in Gembloux, Belgium, 3-5 September, 1985. Boston: Martinus Nijhoff Publishers. 1986.