Cita APA (7th ed.)

Sanger, S., & Bruderer, R. (1991). Baby talk/parent talk: Understanding your baby's body language. Doubleday, a division of Bantam Doubleday Dell Publishing Group, Inc.

Cita Chicago (17th ed.)

Sanger, Sirgay, i Rolf Bruderer. Baby Talk/parent Talk: Understanding Your Baby's Body Language. New York, New York: Doubleday, a division of Bantam Doubleday Dell Publishing Group, Inc, 1991.

Cita MLA (9th ed.)

Sanger, Sirgay, i Rolf Bruderer. Baby Talk/parent Talk: Understanding Your Baby's Body Language. Doubleday, a division of Bantam Doubleday Dell Publishing Group, Inc, 1991.