APA-referens (7:e uppl.)

Pyper, R. (1996). Aspects of accountability in the British system of government. Tudor Business Pub..

Chicago-referens (17:e uppl.)

Pyper, Robert. Aspects of Accountability in the British System of Government. Eastham, Wirral, Merseyside: Tudor Business Pub., 1996.

MLA-referens (8:e uppl.)

Pyper, Robert. Aspects of Accountability in the British System of Government. Tudor Business Pub., 1996.