AURA. (2019). MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA.
Chicago Style aipamenaAURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. LONDON: AURA, 2019.
MLA aipamenaAURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.