APA-referens (7:e uppl.)

(1968). Let's tune up / by John W. Travis. Foreword by Paul Hume. Edited by R. Annabel Rathman.

Chicago-referens (17:e uppl.)

Let's Tune Up / by John W. Travis. Foreword by Paul Hume. Edited by R. Annabel Rathman. 1968.

MLA-referens (9:e uppl.)

Let's Tune Up / by John W. Travis. Foreword by Paul Hume. Edited by R. Annabel Rathman. 1968.