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APA Citation
Goodlad, G., Mitchell, A., Colclough, A., Levinson, I., Laycock, S., Schindler, K., & Tomes, A. (2017). Edexcel GCE Politics AS and A-level Student Book. Harlow : Pearson Education. http://access.bl.uk/ark:/81055/vdc_100124675358.0x000001