APA (7e ed.) Bronvermelding

Pulkkinen, L. (2017). Human Development from Middle Childhood to Middle Adulthood: Growing Up to be Middle-Aged. Taylor & Francis.

Chicago (17e ed.) Bronvermelding

Pulkkinen, Lea. Human Development from Middle Childhood to Middle Adulthood: Growing Up to Be Middle-Aged. Taylor & Francis, 2017.

MLA (9e ed.) Bronvermelding

Pulkkinen, Lea. Human Development from Middle Childhood to Middle Adulthood: Growing Up to Be Middle-Aged. Taylor & Francis, 2017.