Dyfyniad APA

Barrow, M. V. (2009). Nature's ghosts: Confronting extinction from the age of jefferson to the age. University of Chicago Press.

Dyfyniad Arddull Chicago

Barrow, Mark V. Nature's Ghosts: Confronting Extinction from the Age of Jefferson to the Age. London: University of Chicago Press, 2009.

Dyfyniad MLA

Barrow, Mark V. Nature's Ghosts: Confronting Extinction from the Age of Jefferson to the Age. University of Chicago Press, 2009.

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