TRACY BRIAN. (2002). EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MAGNA PUBLISHING CO LTS.
Citazione stile Chigago Style (17a edizione)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MUMBAI: MAGNA PUBLISHING CO LTS, 2002.
Citatione MLA (9a ed.)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MAGNA PUBLISHING CO LTS, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.