Burroughs, W. J. (1992). Weather cycles: : real or imaginary. Cambridge University Press.
Chicago Edition CitationBurroughs, William James. Weather Cycles: : Real or Imaginary. London: Cambridge University Press, 1992.
Cita MLABurroughs, William James. Weather Cycles: : Real or Imaginary. Cambridge University Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.