Brougham, E. G. (1934). Some economic results of various cultural practices in apple orchards of the Hudson valley.
Lua i Stíl Chicago (17ú heag.)Brougham, Earl G. Some Economic Results of Various Cultural Practices in Apple Orchards of the Hudson Valley. [Ithaca, N.Y.], 1934.
Lua MLA (8ú heag.)Brougham, Earl G. Some Economic Results of Various Cultural Practices in Apple Orchards of the Hudson Valley. 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.