Asprey, D. (2017). Head strong: The bulletproof plan to activate untapped brain energy to work smarter and think faster-in just two weeks (Unabridged.).
Cita Chicago Style (17a ed.)Asprey, Dave. Head Strong: The Bulletproof Plan to Activate Untapped Brain Energy to Work Smarter and Think Faster-in Just Two Weeks. Unabridged. 2017.
Cita MLA (8a ed.)Asprey, Dave. Head Strong: The Bulletproof Plan to Activate Untapped Brain Energy to Work Smarter and Think Faster-in Just Two Weeks. Unabridged. 2017.
Precaución: Estas citas no son 100% exactas.