AURA. (2019). MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA.
Chicago (17e ed.) BronvermeldingAURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. LONDON: AURA, 2019.
MLA (9e ed.) BronvermeldingAURA. MEMORY PUZZLES: EXERCISE YOUR BRAIN TO IMPROVE YOUR MEMORY. AURA, 2019.
Let op: Deze citaties zijn niet altijd 100% accuraat.