Johnston, J. F. W. (1850). Lectures on the general relations which science bears to practical agriculture: Delivered before the New-York State Agricultural Society. C.M. Saxton.
Lua i Stíl Chicago (17ú heag.)Johnston, Jas. F. W. Lectures on the General Relations Which Science Bears to Practical Agriculture: Delivered Before the New-York State Agricultural Society. New York: C.M. Saxton, 1850.
Lua MLA (8ú heag.)Johnston, Jas. F. W. Lectures on the General Relations Which Science Bears to Practical Agriculture: Delivered Before the New-York State Agricultural Society. C.M. Saxton, 1850.
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