Cita APA (7a ed.)

Bradley, D., & Bradley, M. (2002). Language endangerment and language maintenance. Routledge.

Cita Chicago Style (17a ed.)

Bradley, David, y Maya Bradley. Language Endangerment and Language Maintenance. London ; New York: Routledge, 2002.

Cita MLA (9a ed.)

Bradley, David, y Maya Bradley. Language Endangerment and Language Maintenance. Routledge, 2002.