Citazione Stile APA (7a Edizione)

Barnes, P., Evans, R. P., & Jones-Evans, P. (2003). GCSE history for WJEC specification A: In-depth and outline studies of aspects of Welsh/English and world history (1. publ.). Heinemann.

Citazione stile Chigago Style (17a edizione)

Barnes, Paul, R. Paul Evans, e Peris Jones-Evans. GCSE History for WJEC Specification A: In-depth and Outline Studies of Aspects of Welsh/English and World History. 1. publ. Oxford: Heinemann, 2003.

Citatione MLA (9a ed.)

Barnes, Paul, et al. GCSE History for WJEC Specification A: In-depth and Outline Studies of Aspects of Welsh/English and World History. 1. publ. Heinemann, 2003.