Dyfyniad APA

Walls, L. D. (1995). Seeing new worlds: Henry David Thoreau and nineteenth-century natural science. University of Wisconsin Press.

Dyfyniad Arddull Chicago

Walls, Laura Dassow. Seeing New Worlds: Henry David Thoreau and Nineteenth-century Natural Science. Madison, WI: University of Wisconsin Press, 1995.

Dyfyniad MLA

Walls, Laura Dassow. Seeing New Worlds: Henry David Thoreau and Nineteenth-century Natural Science. University of Wisconsin Press, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.