Dyfyniad APA

Hartley, B., & Viney, P. (1978). Streamline English, Departures. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Hartley, Bernard, và Peter Viney. Streamline English, Departures. Oxford: Oxford University Press, 1978.

Dyfyniad MLA

Hartley, Bernard, và Peter Viney. Streamline English, Departures. Oxford: Oxford University Press, 1978.

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