APA-viite (7. p.)

Bentzen, W. R. (2009). Seeing young children: A guide to observing and recording behavior (6th ed.). Thomson/Delmar Learning.

Chicago-viite (17. p.)

Bentzen, Warren R. Seeing Young Children: A Guide to Observing and Recording Behavior. 6th ed. Clifton Park, N.Y: Thomson/Delmar Learning, 2009.

MLA-viite (9. p.)

Bentzen, Warren R. Seeing Young Children: A Guide to Observing and Recording Behavior. 6th ed. Thomson/Delmar Learning, 2009.