Cita APA (7a ed.)

Costello, E. (2006). Getting started in signing. Living Language.

Cita Chicago Style (17a ed.)

Costello, Elaine. Getting Started in Signing. New York: Living Language, 2006.

Cita MLA (8a ed.)

Costello, Elaine. Getting Started in Signing. Living Language, 2006.

Precaución: Estas citas no son 100% exactas.