Cita APA (7th ed.)

Emma Danihel; Izabella Hearn. (2015). Oxford English for Cambridge Primary Workbook 4 (CIE IGCSE Complete Series) (Workbook.). Oxford University Press.

Cita Chicago (17th ed.)

Emma Danihel; Izabella Hearn. Oxford English for Cambridge Primary Workbook 4 (CIE IGCSE Complete Series). Workbook. Oxford University Press, 2015.

Cita MLA (9th ed.)

Emma Danihel; Izabella Hearn. Oxford English for Cambridge Primary Workbook 4 (CIE IGCSE Complete Series). Workbook. Oxford University Press, 2015.