APA-referens (7:e uppl.)

LUCE, E. (2012). TIME TO START THINKING. LITTLE BROWN.

Chicago-referens (17:e uppl.)

LUCE, EDWARD. TIME TO START THINKING. LONDON: LITTLE BROWN, 2012.

MLA-referens (9:e uppl.)

LUCE, EDWARD. TIME TO START THINKING. LITTLE BROWN, 2012.