Mandl, Franz, and Graham Shaw. Quantum Field Theory. 2nd Edition, John Wiley and Sons Ltd, 2010.
Peskin, Michael Edward, et al. An Introduction to Quantum Field Theory. Student economy edition, Westview Press, a member of the Perseus Books Group, 2016, http://ezproxy.library.qmul.ac.uk/login?url=https://www.taylorfrancis.com/books/9780429494178.
Schwartz, Matthew D. Quantum Field Theory and the Standard Model. Cambridge University Press, 2013.
Srednicki, Mark. Quantum Field Theory. Cambridge University Press, 2007.