AURA. (2019). MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA.
Cita Chicago (17th ed.)AURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. LONDON: AURA, 2019.
Cita MLA (9th ed.)AURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.