APA-referens (7:e uppl.)

Huxley, A. (1962). The perennial philosophy. Meridian Book.

Chicago-referens (17:e uppl.)

Huxley, Aldous. The Perennial Philosophy. Cleveland, Ohio: Meridian Book, 1962.

MLA-referens (9:e uppl.)

Huxley, Aldous. The Perennial Philosophy. Meridian Book, 1962.