APA-viite (7. p.)

Keenan, T. (2002). An introduction to child development. SAGE Publications.

Chicago-viite (17. p.)

Keenan, Thomas. An Introduction to Child Development. London ; Thousand Oaks, Calif.: SAGE Publications, 2002.

MLA-viite (8. p.)

Keenan, Thomas. An Introduction to Child Development. SAGE Publications, 2002.