Não informado. (1888). Bulletin of the New Hampshire Agricultural Experiment Station. University of New Hampshire.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the New Hampshire Agricultural Experiment Station. Durham, NC: University of New Hampshire, 1888.
MLA-referens (8:e uppl.)Não informado. Bulletin of the New Hampshire Agricultural Experiment Station. University of New Hampshire, 1888.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.