APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.