Brougham, E. G. (1934). Some economic results of various cultural practices in apple orchards of the Hudson valley.
Chicago-referens (17:e uppl.)Brougham, Earl G. Some Economic Results of Various Cultural Practices in Apple Orchards of the Hudson Valley. [Ithaca, N.Y.], 1934.
MLA-referens (8:e uppl.)Brougham, Earl G. Some Economic Results of Various Cultural Practices in Apple Orchards of the Hudson Valley. 1934.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.