Taylor, W. S., & Winkler, C. H. (1914). Nature study and agriculture for the rural schools of Texas. University of Texas.
Chicagoスタイル(17版)引用形式Taylor, William Septimus, , Charles Herman Winkler. Nature Study and Agriculture for the Rural Schools of Texas. Austin: University of Texas, 1914.
MLA(8版)引用形式Taylor, William Septimus, , Charles Herman Winkler. Nature Study and Agriculture for the Rural Schools of Texas. University of Texas, 1914.
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