Strieber, W., & Kunetka, J. W. (1986). Nature's end: The consequences of the twentieth century. Warner Books.
Dyfyniad Arddull ChicagoStrieber, Whitley, and James W. Kunetka. Nature's End: The Consequences of the Twentieth Century. New York, NY: Warner Books, 1986.
Dyfyniad MLAStrieber, Whitley, and James W. Kunetka. Nature's End: The Consequences of the Twentieth Century. Warner Books, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.