Gaya APA

Collins, J, C., Porras, J, I. (1994). Built To Last: Successful Habits of Visionary Companies . New York: Harpers Collins Publisher.

Gaya MLA

Collins, James, C.., Porras, Jerry, I.. "Built To Last: Successful Habits of Visionary Companies". New York: Harpers Collins Publisher, 1994. Texts.