Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.