Citazione Stile APA (7a Edizione)

Johnson, S., & Roffe, G. (2016). Citizenship studies (OCR GCSE (9–1).). Hodder Education.

Citazione stile Chigago Style (17a edizione)

Johnson, Steve, e Graeme Roffe. Citizenship Studies. OCR GCSE (9–1). London: Hodder Education, 2016.

Citatione MLA (9a ed.)

Johnson, Steve, e Graeme Roffe. Citizenship Studies. OCR GCSE (9–1). Hodder Education, 2016.