Heppell, M. How to Have a Brilliant Life: Put a little bit more in. Get so much more out (2.). Pearson Education UK.
Citazione stile Chigago Style (17a edizione)Heppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in. Get so Much More Out. 2. Pearson Education UK.
Citatione MLA (8a ed.)Heppell, Michael. How to Have a Brilliant Life: Put a Little Bit More in. Get so Much More Out. 2. Pearson Education UK.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.