Collins, J. C., & Porras, J. I. (1997). Built to Last: Successful Habits of Visionary Companies. Harper Business a division of Harper Collins Publishers.
Lua i Stíl Chicago (17ú heag.)Collins, James C., agus Jerry I. Porras. Built to Last: Successful Habits of Visionary Companies. New York: Harper Business a division of Harper Collins Publishers, 1997.
Lua MLA (9ú heag.)Collins, James C., agus Jerry I. Porras. Built to Last: Successful Habits of Visionary Companies. Harper Business a division of Harper Collins Publishers, 1997.
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