Citace podle APA

Donahue, R. (1961). Our Soils and their Management: An Introduction to Soil and Water Conservation. Interstate Printers and Publishers.

Styl Chicago

Donahue, Roy.l. Our Soils and Their Management: An Introduction to Soil and Water Conservation. Illinois: Interstate Printers and Publishers, 1961.

Citace podle MLA

Donahue, Roy.l. Our Soils and Their Management: An Introduction to Soil and Water Conservation. Interstate Printers and Publishers, 1961.

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