Dyfyniad APA

Collins UK. (2018). Cambridge IGCSE® English Workbook (Cambridge International Examinations) ("Third Edition, Third edition".). HarperCollins UK.

Dyfyniad Arddull Chicago

Collins UK. Cambridge IGCSE® English Workbook (Cambridge International Examinations). "Third Edition, Third edition". HarperCollins UK, 2018.

Dyfyniad MLA

Collins UK. Cambridge IGCSE® English Workbook (Cambridge International Examinations). "Third Edition, Third edition". HarperCollins UK, 2018.

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