APA (7e ed.) Bronvermelding

Não informado. Perceptual Cognitive Development. Galton Institute.

Chicago (17e ed.) Bronvermelding

Não informado. Perceptual Cognitive Development. Los Angeles, Calif: Galton Institute.

MLA (8e ed.) Bronvermelding

Não informado. Perceptual Cognitive Development. Galton Institute.

Let op: Deze citaties zijn niet altijd 100% accuraat.