Dyfyniad APA

Ferkiss, V. (1974). The future of technological civilization. New York: G. Braziller.

Dyfyniad Arddull Chicago

Ferkiss, Victor. The Future of Technological Civilization. New York: G. Braziller, 1974.

Dyfyniad MLA

Ferkiss, Victor. The Future of Technological Civilization. New York: G. Braziller, 1974.

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