Dyfyniad APA

Scientific American. (1963). Technology and economic development. Penguin Books.

Dyfyniad Arddull Chicago

Scientific American. Technology and Economic Development. [Harmondsworth, Middlesex]: Penguin Books, 1963.

Dyfyniad MLA

Scientific American. Technology and Economic Development. Penguin Books, 1963.

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