Não informado. (1925). Contributions from the Boyce Thompson Institute for Plant Research. Boyce Thompson Institute for Plant Research.
Chicago-referens (17:e uppl.)Não informado. Contributions from the Boyce Thompson Institute for Plant Research. Yonkers, NY: Boyce Thompson Institute for Plant Research, 1925.
MLA-referens (8:e uppl.)Não informado. Contributions from the Boyce Thompson Institute for Plant Research. Boyce Thompson Institute for Plant Research, 1925.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.