Bibliografia principal:
Creedy, John (2008), Research Without Tears – from the first ideas to published output, Cheltenham: Edward Elgar.
Phillips, Estelle e Pugh, Derek (2005) How to Get a PhD – A handbook for students and their supervisors, 4ª ed., Berkshire: McGraw-Hill Education
Punch, Keith F. (2005), Developing Effective Research Proposals, 2ª ed., London: Sage Publications.