Cita APA (7th ed.)

Susan Grant. (2018). Cambridge IGCSE® and O Level Economics Coursebook (Cambridge International IGCSE) (2.). Cambridge University Press.

Cita Chicago (17th ed.)

Susan Grant. Cambridge IGCSE® and O Level Economics Coursebook (Cambridge International IGCSE). 2. Cambridge University Press, 2018.

Cita MLA (9th ed.)

Susan Grant. Cambridge IGCSE® and O Level Economics Coursebook (Cambridge International IGCSE). 2. Cambridge University Press, 2018.