Heppell, M. How to Have a Brilliant Life: Put a little bit more in. Get so much more out (2.). Pearson Education UK.
Chicago-Zitierstil (17. Ausg.)Heppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in. Get so Much More Out. 2. Pearson Education UK.
MLA-Zitierstil (8. Ausg.)Heppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in. Get so Much More Out. 2. Pearson Education UK.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.