APA aipamena

Ellie Tragakes. (2019). Economics For The IB Diploma. Cambridge University Press.

Chicago Style aipamena

Ellie Tragakes. Economics For The IB Diploma. Cambridge University Press, 2019.

MLA aipamena

Ellie Tragakes. Economics For The IB Diploma. Cambridge University Press, 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.