APA-viite (7. p.)

Trevarthen, C. Emotions in infancy: Regulators of contact and relationships with persons / Colwyn Trevarthen. Approaches to emotion.(c 1984).

Chicago-viite (17. p.)

Trevarthen, Colwyn. "Emotions in Infancy: Regulators of Contact and Relationships with Persons / Colwyn Trevarthen." Approaches to Emotion.(c 1984) .

MLA-viite (8. p.)

Trevarthen, Colwyn. "Emotions in Infancy: Regulators of Contact and Relationships with Persons / Colwyn Trevarthen." Approaches to Emotion.(c 1984), .