Dyfyniad APA

Hartley, B., & Viney, P. (1989). Streamline English: (Song Ngữ). Paris: Hermes*.

Dyfyniad Arddull Chicago

Hartley, Bernard, và Peter Viney. Streamline English: (Song Ngữ). Paris: Hermes*, 1989.

Dyfyniad MLA

Hartley, Bernard, và Peter Viney. Streamline English: (Song Ngữ). Paris: Hermes*, 1989.

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