Texas Farm Bureau Federation & Texas Farm Bureau. (1970). Texas agriculture: Official publication, Texas Farm Bureau Federation. The Federation.
Lua i Stíl Chicago (17ú heag.)Texas Farm Bureau Federation agus Texas Farm Bureau. Texas Agriculture: Official Publication, Texas Farm Bureau Federation. [Waco, Tex.]: The Federation, 1970.
Lua MLA (8ú heag.)Texas Farm Bureau Federation agus Texas Farm Bureau. Texas Agriculture: Official Publication, Texas Farm Bureau Federation. The Federation, 1970.
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