Dyfyniad APA

Burroughs, W. J. (1992). Weather cycles: : real or imaginary. Cambridge University Press.

Dyfyniad Arddull Chicago

Burroughs, William James. Weather Cycles: : Real or Imaginary. London: Cambridge University Press, 1992.

Dyfyniad MLA

Burroughs, William James. Weather Cycles: : Real or Imaginary. Cambridge University Press, 1992.

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