APA Style
Tracy, B. (2006).
Eat that Frog! : 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. (2nd ed.).
San Francisco:
Berrett - Koehler.
MLA Style
Tracy, Brian..
"Eat that Frog! : 21 Great Ways to Stop Procrastinating and Get More Done in Less Time.".
2nd ed.
San Francisco:
Berrett - Koehler,
2006.
หนังสือ (Book).