Collins, J. C., & Porras, J. I. (1997). Built to Last: Successful Habits of Visionary Companies. Harper Business a division of Harper Collins Publishers.
Dyfyniad Arddull ChicagoCollins, James C., and Jerry I. Porras. Built to Last: Successful Habits of Visionary Companies. New York: Harper Business a division of Harper Collins Publishers, 1997.
Dyfyniad MLACollins, James C., and Jerry I. Porras. Built to Last: Successful Habits of Visionary Companies. Harper Business a division of Harper Collins Publishers, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.