Dyfyniad APA

Smith, J. E., & Helquist, B. (2012). The Storm Makers. Little, Brown and Company.

Dyfyniad Arddull Chicago

Smith, Jennifer E., and Brett Helquist. The Storm Makers. New York: Little, Brown and Company, 2012.

Dyfyniad MLA

Smith, Jennifer E., and Brett Helquist. The Storm Makers. Little, Brown and Company, 2012.

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