Gaya APA

Naisbitt, J., Aburdene, P. (1990). Megatrends 2000: Ten New Directions for the 1990's . New York: William Morrow and Company.

Gaya MLA

Naisbitt, John., Aburdene, Patricia. "Megatrends 2000: Ten New Directions for the 1990's". New York: William Morrow and Company, 1990. Art Original.