Heppell, M. (2012). How to have a brilliant life: Put a little bit more in, get so much more out (2nd ed.). Pearson Prentice Hall Life.
Chicago Style (17. basım) AtıfHeppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in, Get so Much More Out. 2nd ed. New York: Pearson Prentice Hall Life, 2012.
MLA (8th ed.) AtıfHeppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in, Get so Much More Out. 2nd ed. Pearson Prentice Hall Life, 2012.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..