Dyfyniad APA

Hutchinson, T., & Tom Hutchinson. (1997). LifeLines: Pre-intermediate: Workbook. United Kingdom: Oxford University Press.

Dyfyniad Arddull Chicago

Hutchinson, Tom, và Tom Hutchinson. LifeLines: Pre-intermediate: Workbook. United Kingdom: Oxford University Press, 1997.

Dyfyniad MLA

Hutchinson, Tom, và Tom Hutchinson. LifeLines: Pre-intermediate: Workbook. United Kingdom: Oxford University Press, 1997.

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