Dyfyniad APA

Sigurdson,Jon. (1990). Measuring the dynamic of technological change. Pinter Publishers.

Dyfyniad Arddull Chicago

Sigurdson,Jon. Measuring the Dynamic of Technological Change. London: Pinter Publishers, 1990.

Dyfyniad MLA

Sigurdson,Jon. Measuring the Dynamic of Technological Change. Pinter Publishers, 1990.

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