Citazione Stile APA (7a Edizione)

Radford, S. (2020). Modern studies (BGE S1-S3, third and fourth levels.). Hodder Gibson.

Citazione stile Chigago Style (17a edizione)

Radford, Sandy. Modern Studies. BGE S1-S3, third and fourth levels. Glasgow: Hodder Gibson, 2020.

Citatione MLA (9a ed.)

Radford, Sandy. Modern Studies. BGE S1-S3, third and fourth levels. Hodder Gibson, 2020.