Não informado. (1976). Journal of seed technology. Association of Official Seed Analysts.
Cita Chicago Style (17a ed.)Não informado. Journal of Seed Technology. Lincoln, Neb: Association of Official Seed Analysts, 1976.
Cita MLA (8a ed.)Não informado. Journal of Seed Technology. Association of Official Seed Analysts, 1976.
Precaución: Estas citas no son 100% exactas.