APA استشهاد

Naisbitt, J. (1990). Megatrends 2000: Ten new directions for the 1990's. Avon books.

استشهاد بنمط شيكاغو

Naisbitt, John. Megatrends 2000: Ten New Directions for the 1990's. New York: Avon books, 1990.

MLA استشهاد

Naisbitt, John. Megatrends 2000: Ten New Directions for the 1990's. Avon books, 1990.