Friedman, R. L. (1974). Intellectual Traditions at the Medieval University: By Russell L. Friedman. Brill.
Chicago-Zitierstil (17. Ausg.)Friedman, Russell L. Intellectual Traditions at the Medieval University: By Russell L. Friedman. Leiden ; Boston: Brill, 1974.
MLA-Zitierstil (8. Ausg.)Friedman, Russell L. Intellectual Traditions at the Medieval University: By Russell L. Friedman. Brill, 1974.
警告：這些引文格式不一定是100％准確.