TRACY BRIAN. (2002). EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MAGNA PUBLISHING CO LTS.
Chicago-viite (17. p.)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MUMBAI: MAGNA PUBLISHING CO LTS, 2002.
MLA-viite (9. p.)TRACY BRIAN. EAT THAT FROG: 21 GREAT WAYS TO STOP PRO. AND ....LESS TIME. MAGNA PUBLISHING CO LTS, 2002.
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