Παραπομπή APA

Hughes, P. (1976). Vicious Circles and Infinity: A Panoply of Paradoxes. Jonanthan Cape.

Παραπομπή Chicago Style

Hughes, Patrick. Vicious Circles and Infinity: A Panoply of Paradoxes. London: Jonanthan Cape, 1976.

Παραπομπή MLA

Hughes, Patrick. Vicious Circles and Infinity: A Panoply of Paradoxes. Jonanthan Cape, 1976.