Dyfyniad APA

Lovins, A. B. (1980). World energy strategies: Facts, issues, and options. New York: Happer colophon books.

Dyfyniad Arddull Chicago

Lovins, Amory B. World Energy Strategies: Facts, Issues, and Options. New York: Happer colophon books, 1980.

Dyfyniad MLA

Lovins, Amory B. World Energy Strategies: Facts, Issues, and Options. New York: Happer colophon books, 1980.

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