Dyfyniad APA
ebrary, Inc, Donahue, B., Gregg, S. M., & Hagenstein, E. C. (2011). American georgics: Writings on farming, culture, and the land. Yale University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Brian Donahue, Sara M. Gregg, and Edwin C. Hagenstein. American Georgics: Writings on Farming, Culture, and the Land. New Haven [Conn.]: Yale University Press, 2011.
Dyfyniad MLA
ebrary, Inc, et al. American Georgics: Writings on Farming, Culture, and the Land. Yale University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.