Cita APA (7a ed.)

Living Language (Firm). (2009). Spoken world. Random House Information Group.

Cita Chicago Style (17a ed.)

Living Language (Firm). Spoken World. New York: Random House Information Group, 2009.

Cita MLA (8a ed.)

Living Language (Firm). Spoken World. Random House Information Group, 2009.

Precaución: Estas citas no son 100% exactas.