Palm, W. J. (. J. (2005). System dynamics. Boston, MA: McGraw-Hill / Irwin.
Dyfyniad Arddull ChicagoPalm, William J. (William John). System Dynamics. Boston, MA: McGraw-Hill / Irwin, 2005.
Dyfyniad MLAPalm, William J. (William John). System Dynamics. Boston, MA: McGraw-Hill / Irwin, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.