APA استشهاد

Kolb, R. W. (1991). Understanding future markets (3rd ed.). Prentice-Hall of India.

استشهاد بنمط شيكاغو

Kolb, Robert W. Understanding Future Markets. 3rd ed. New Delhi: Prentice-Hall of India, 1991.

MLA استشهاد

Kolb, Robert W. Understanding Future Markets. 3rd ed. Prentice-Hall of India, 1991.