APA
Phillips O., Jackson P. & Leopold P. (2001). O. Hood Phillips & Jackson : constitutional and administrative law. London: Sweet & Maxwell.
Chicago
Phillips O, Jackson P and Leopold P. 2001. O. Hood Phillips & Jackson : constitutional and administrative law. London: Sweet & Maxwell.
Harvard
Phillips O., Jackson P. and Leopold P. (2001). O. Hood Phillips & Jackson : constitutional and administrative law. London: Sweet & Maxwell.
MLA
Phillips O, Jackson P and Leopold P. O. Hood Phillips & Jackson : constitutional and administrative law. London: Sweet & Maxwell. 2001.