Cho, C. Y. (1977). Yield reductions in the F2 and F3 crosses of corn [microform]. Photoduplication Service.
Chicago-referens (17:e uppl.)Cho, Chae Yun. Yield Reductions in the F2 and F3 Crosses of Corn [microform]. Quezon City: Photoduplication Service, 1977.
MLA-referens (9:e uppl.)Cho, Chae Yun. Yield Reductions in the F2 and F3 Crosses of Corn [microform]. Photoduplication Service, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.