TRACY BRIAN. (2007). EAT THAT FROG: 21 GREAT WAYS TO STOP PROCRASTINATING AND GET MORE DONE IN LESS TIME. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-referens (17:e uppl.)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PROCRASTINATING AND GET MORE DONE IN LESS TIME. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
MLA-referens (9:e uppl.)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PROCRASTINATING AND GET MORE DONE IN LESS TIME. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.