Tohutoro APA (7th ed.)

Barker, J. A. (1992). Future edge: Discovering the new paradigms of success. W. Morrow.

Tohutoru Kātū Chicago (17th ed.)

Barker, Joel Arthur. Future Edge: Discovering the New Paradigms of Success. New York: W. Morrow, 1992.

Tohutoro MLA (9th ed.)

Barker, Joel Arthur. Future Edge: Discovering the New Paradigms of Success. W. Morrow, 1992.