APA-referens (7:e uppl.)

Clements, R. (1995). From head to heart. Kingsway.

Chicago-referens (17:e uppl.)

Clements, Roy. From Head to Heart. Eastbourne: Kingsway, 1995.

MLA-referens (9:e uppl.)

Clements, Roy. From Head to Heart. Kingsway, 1995.