Dyfyniad APA

Barraclough, C. (2008). Activate! B1+: Workbook. Pearson Education limited: England.

Dyfyniad Arddull Chicago

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.

Dyfyniad MLA

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.

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