Citazione Stile APA (7a Edizione)

Großbritannien Department for Education. (2014). Geography: GCE AS and A Level subject content. Verlag nicht ermittelbar.

Citazione stile Chigago Style (17a edizione)

Großbritannien Department for Education. Geography: GCE AS and A Level Subject Content. [London]: Verlag nicht ermittelbar, 2014.

Citatione MLA (9a ed.)

Großbritannien Department for Education. Geography: GCE AS and A Level Subject Content. Verlag nicht ermittelbar, 2014.