Dyfyniad APA

Drexler, K. E. (1986). Engines of creation. New York: Anchor Press/Doubleday.

Dyfyniad Arddull Chicago

Drexler, K. Eric. Engines of Creation. New York: Anchor Press/Doubleday, 1986.

Dyfyniad MLA

Drexler, K. Eric. Engines of Creation. New York: Anchor Press/Doubleday, 1986.

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