Dyfyniad APA

Kahn, H. (1976). The next 200 years: A scenario for America & the World. New York: William Morrow & Co, Inc.

Dyfyniad Arddull Chicago

Kahn, Herman. The Next 200 Years: A Scenario for America & the World. New York: William Morrow & Co, Inc, 1976.

Dyfyniad MLA

Kahn, Herman. The Next 200 Years: A Scenario for America & the World. New York: William Morrow & Co, Inc, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.