Cita APA (7a ed.)
Brown, C., & Clements, J. Sign Language for Babies and Toddlers. Thunder Bay.
Cita estilo Chicago (17a ed.)
Brown, Christopher, y John Clements. Sign Language for Babies and Toddlers. San Diego, EUA: Thunder Bay.
Cita MLA (9a ed.)
Brown, Christopher, y John Clements. Sign Language for Babies and Toddlers. Thunder Bay.
Precaución: Estas citas no son 100% exactas.