Williams, R.; Van Dyke, N. (2007). "Measuring the international standing of universities with an application to Australian universities". Higher Education. Quyển 53 số 6. tr. 819–841. doi:10.1007/s10734-005-7516-4.
Neumann, R. (2002). "Diversity, doctoral education and policy". Higher Education Research & Development. Quyển 21 số 2. tr. 167–178. doi:10.1080/07294360220144088.